diff --git a/fpdfsdk/javascript/Annot.cpp b/fpdfsdk/javascript/Annot.cpp
index c9fbaaf..d80c755 100644
--- a/fpdfsdk/javascript/Annot.cpp
+++ b/fpdfsdk/javascript/Annot.cpp
@@ -52,7 +52,8 @@
 bool Annot::set_hidden(CJS_Runtime* pRuntime,
                        const CJS_Value& vp,
                        WideString* sError) {
-  bool bHidden = vp.ToBool(pRuntime);  // May invalidate m_pAnnot.
+  // May invalidate m_pAnnot.
+  bool bHidden = pRuntime->ToBoolean(vp.ToV8Value());
   if (!m_pAnnot) {
     *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT);
     return false;
@@ -89,7 +90,8 @@
 bool Annot::set_name(CJS_Runtime* pRuntime,
                      const CJS_Value& vp,
                      WideString* sError) {
-  WideString annotName = vp.ToWideString(pRuntime);  // May invalidate m_pAnnot.
+  // May invalidate m_pAnnot.
+  WideString annotName = pRuntime->ToWideString(vp.ToV8Value());
   if (!m_pAnnot) {
     *sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT);
     return false;
diff --git a/fpdfsdk/javascript/Document.cpp b/fpdfsdk/javascript/Document.cpp
index c406425..68023d0 100644
--- a/fpdfsdk/javascript/Document.cpp
+++ b/fpdfsdk/javascript/Document.cpp
@@ -204,8 +204,8 @@
     return false;
   }
 
-  vp.ToBool(pRuntime) ? m_pFormFillEnv->SetChangeMark()
-                      : m_pFormFillEnv->ClearChangeMark();
+  pRuntime->ToBoolean(vp.ToV8Value()) ? m_pFormFillEnv->SetChangeMark()
+                                      : m_pFormFillEnv->ClearChangeMark();
 
   return true;
 }
@@ -245,7 +245,7 @@
   }
 
   int iPageCount = m_pFormFillEnv->GetPageCount();
-  int iPageNum = vp.ToInt(pRuntime);
+  int iPageNum = pRuntime->ToInt32(vp.ToV8Value());
   if (iPageNum >= 0 && iPageNum < iPageCount)
     m_pFormFillEnv->JS_docgotoPage(iPageNum);
   else if (iPageNum >= iPageCount)
@@ -308,7 +308,7 @@
     sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT);
     return false;
   }
-  WideString wideName = params[0].ToWideString(pRuntime);
+  WideString wideName = pRuntime->ToWideString(params[0].ToV8Value());
   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
   CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
   if (pPDFForm->CountFields(wideName) <= 0) {
@@ -344,7 +344,7 @@
     sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT);
     return false;
   }
-  int nIndex = params[0].ToInt(pRuntime);
+  int nIndex = pRuntime->ToInt32(params[0].ToV8Value());
   if (nIndex < 0) {
     sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR);
     return false;
@@ -399,12 +399,17 @@
     return false;
   }
   int iLength = params.size();
-  bool bUI = iLength > 0 ? params[0].ToBool(pRuntime) : true;
-  WideString cTo = iLength > 1 ? params[1].ToWideString(pRuntime) : L"";
-  WideString cCc = iLength > 2 ? params[2].ToWideString(pRuntime) : L"";
-  WideString cBcc = iLength > 3 ? params[3].ToWideString(pRuntime) : L"";
-  WideString cSubject = iLength > 4 ? params[4].ToWideString(pRuntime) : L"";
-  WideString cMsg = iLength > 5 ? params[5].ToWideString(pRuntime) : L"";
+  bool bUI = iLength > 0 ? pRuntime->ToBoolean(params[0].ToV8Value()) : true;
+  WideString cTo =
+      iLength > 1 ? pRuntime->ToWideString(params[1].ToV8Value()) : L"";
+  WideString cCc =
+      iLength > 2 ? pRuntime->ToWideString(params[2].ToV8Value()) : L"";
+  WideString cBcc =
+      iLength > 3 ? pRuntime->ToWideString(params[3].ToV8Value()) : L"";
+  WideString cSubject =
+      iLength > 4 ? pRuntime->ToWideString(params[4].ToV8Value()) : L"";
+  WideString cMsg =
+      iLength > 5 ? pRuntime->ToWideString(params[5].ToV8Value()) : L"";
   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
   ByteString sTextBuf = pInterForm->ExportFormToFDFTextBuf();
   if (sTextBuf.GetLength() == 0)
@@ -443,10 +448,13 @@
   int nlength = params.size();
   if (nlength == 9) {
     if (params[8].GetType() == CJS_Value::VT_object) {
-      v8::Local<v8::Object> pObj = params[8].ToV8Object(pRuntime);
+      v8::Local<v8::Object> pObj = pRuntime->ToObject(params[8].ToV8Value());
       if (CFXJS_Engine::GetObjDefnID(pObj) ==
           CJS_PrintParamsObj::g_nObjDefnID) {
-        if (CJS_Object* pJSObj = params[8].ToObject(pRuntime)) {
+        v8::Local<v8::Object> pObj = pRuntime->ToObject(params[8].ToV8Value());
+        CJS_Object* pJSObj =
+            static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj));
+        if (pJSObj) {
           if (PrintParamsObj* pprintparamsObj =
                   static_cast<PrintParamsObj*>(pJSObj->GetEmbedObject())) {
             bUI = pprintparamsObj->bUI;
@@ -463,21 +471,21 @@
     }
   } else {
     if (nlength >= 1)
-      bUI = params[0].ToBool(pRuntime);
+      bUI = pRuntime->ToBoolean(params[0].ToV8Value());
     if (nlength >= 2)
-      nStart = params[1].ToInt(pRuntime);
+      nStart = pRuntime->ToInt32(params[1].ToV8Value());
     if (nlength >= 3)
-      nEnd = params[2].ToInt(pRuntime);
+      nEnd = pRuntime->ToInt32(params[2].ToV8Value());
     if (nlength >= 4)
-      bSilent = params[3].ToBool(pRuntime);
+      bSilent = pRuntime->ToBoolean(params[3].ToV8Value());
     if (nlength >= 5)
-      bShrinkToFit = params[4].ToBool(pRuntime);
+      bShrinkToFit = pRuntime->ToBoolean(params[4].ToV8Value());
     if (nlength >= 6)
-      bPrintAsImage = params[5].ToBool(pRuntime);
+      bPrintAsImage = pRuntime->ToBoolean(params[5].ToV8Value());
     if (nlength >= 7)
-      bReverse = params[6].ToBool(pRuntime);
+      bReverse = pRuntime->ToBoolean(params[6].ToV8Value());
     if (nlength >= 8)
-      bAnnotations = params[7].ToBool(pRuntime);
+      bAnnotations = pRuntime->ToBoolean(params[7].ToV8Value());
   }
 
   if (m_pFormFillEnv) {
@@ -509,7 +517,7 @@
     sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION);
     return false;
   }
-  WideString sFieldName = params[0].ToWideString(pRuntime);
+  WideString sFieldName = pRuntime->ToWideString(params[0].ToV8Value());
   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
   std::vector<CPDFSDK_Annot::ObservedPtr> widgets;
   pInterForm->GetWidgets(sFieldName, &widgets);
@@ -578,7 +586,7 @@
 
   switch (params[0].GetType()) {
     default:
-      aName = CJS_Array(params[0].ToV8Array(pRuntime));
+      aName = CJS_Array(pRuntime->ToArray(params[0].ToV8Value()));
       break;
     case CJS_Value::VT_string:
       aName.SetElement(pRuntime, 0, params[0]);
@@ -587,8 +595,8 @@
 
   std::vector<CPDF_FormField*> aFields;
   for (int i = 0, isz = aName.GetLength(pRuntime); i < isz; ++i) {
-    CJS_Value valElement(aName.GetElement(pRuntime, i));
-    WideString swVal = valElement.ToWideString(pRuntime);
+    WideString swVal =
+        pRuntime->ToWideString(aName.GetElement(pRuntime, i).ToV8Value());
     for (int j = 0, jsz = pPDFForm->CountFields(swVal); j < jsz; ++j)
       aFields.push_back(pPDFForm->GetField(j, swVal));
   }
@@ -636,27 +644,23 @@
   bool bEmpty = false;
   CJS_Value v(params[0]);
   if (v.GetType() == CJS_Value::VT_string) {
-    strURL = params[0].ToWideString(pRuntime);
+    strURL = pRuntime->ToWideString(params[0].ToV8Value());
     if (nSize > 1)
-      bFDF = params[1].ToBool(pRuntime);
+      bFDF = pRuntime->ToBoolean(params[1].ToV8Value());
     if (nSize > 2)
-      bEmpty = params[2].ToBool(pRuntime);
+      bEmpty = pRuntime->ToBoolean(params[2].ToV8Value());
     if (nSize > 3)
-      aFields = CJS_Array(params[3].ToV8Array(pRuntime));
+      aFields = CJS_Array(pRuntime->ToArray(params[3].ToV8Value()));
   } else if (v.GetType() == CJS_Value::VT_object) {
-    v8::Local<v8::Object> pObj = params[0].ToV8Object(pRuntime);
+    v8::Local<v8::Object> pObj = pRuntime->ToObject(params[0].ToV8Value());
     v8::Local<v8::Value> pValue = pRuntime->GetObjectProperty(pObj, L"cURL");
     if (!pValue.IsEmpty())
-      strURL = CJS_Value(pValue).ToWideString(pRuntime);
+      strURL = pRuntime->ToWideString(pValue);
 
-    pValue = pRuntime->GetObjectProperty(pObj, L"bFDF");
-    bFDF = CJS_Value(pValue).ToBool(pRuntime);
-
-    pValue = pRuntime->GetObjectProperty(pObj, L"bEmpty");
-    bEmpty = CJS_Value(pValue).ToBool(pRuntime);
-
-    pValue = pRuntime->GetObjectProperty(pObj, L"aFields");
-    aFields = CJS_Array(CJS_Value(pValue).ToV8Array(pRuntime));
+    bFDF = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bFDF"));
+    bEmpty = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bEmpty"));
+    aFields = CJS_Array(
+        pRuntime->ToArray(pRuntime->GetObjectProperty(pObj, L"aFields")));
   }
 
   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
@@ -672,8 +676,8 @@
 
   std::vector<CPDF_FormField*> fieldObjects;
   for (int i = 0, sz = aFields.GetLength(pRuntime); i < sz; ++i) {
-    CJS_Value valName(aFields.GetElement(pRuntime, i));
-    WideString sName = valName.ToWideString(pRuntime);
+    WideString sName =
+        pRuntime->ToWideString(aFields.GetElement(pRuntime, i).ToV8Value());
     CPDF_InterForm* pPDFForm = pInterForm->GetInterForm();
     for (int j = 0, jsz = pPDFForm->CountFields(sName); j < jsz; ++j) {
       CPDF_FormField* pField = pPDFForm->GetField(j, sName);
@@ -721,38 +725,27 @@
   WideString cMsg = L"";
 
   if (params.size() >= 1)
-    bUI = params[0].ToBool(pRuntime);
+    bUI = pRuntime->ToBoolean(params[0].ToV8Value());
   if (params.size() >= 2)
-    cTo = params[1].ToWideString(pRuntime);
+    cTo = pRuntime->ToWideString(params[1].ToV8Value());
   if (params.size() >= 3)
-    cCc = params[2].ToWideString(pRuntime);
+    cCc = pRuntime->ToWideString(params[2].ToV8Value());
   if (params.size() >= 4)
-    cBcc = params[3].ToWideString(pRuntime);
+    cBcc = pRuntime->ToWideString(params[3].ToV8Value());
   if (params.size() >= 5)
-    cSubject = params[4].ToWideString(pRuntime);
+    cSubject = pRuntime->ToWideString(params[4].ToV8Value());
   if (params.size() >= 6)
-    cMsg = params[5].ToWideString(pRuntime);
+    cMsg = pRuntime->ToWideString(params[5].ToV8Value());
 
   if (params.size() >= 1 && params[0].GetType() == CJS_Value::VT_object) {
-    v8::Local<v8::Object> pObj = params[0].ToV8Object(pRuntime);
-
-    v8::Local<v8::Value> pValue = pRuntime->GetObjectProperty(pObj, L"bUI");
-    bUI = CJS_Value(pValue).ToBool(pRuntime);
-
-    pValue = pRuntime->GetObjectProperty(pObj, L"cTo");
-    cTo = CJS_Value(pValue).ToWideString(pRuntime);
-
-    pValue = pRuntime->GetObjectProperty(pObj, L"cCc");
-    cCc = CJS_Value(pValue).ToWideString(pRuntime);
-
-    pValue = pRuntime->GetObjectProperty(pObj, L"cBcc");
-    cBcc = CJS_Value(pValue).ToWideString(pRuntime);
-
-    pValue = pRuntime->GetObjectProperty(pObj, L"cSubject");
-    cSubject = CJS_Value(pValue).ToWideString(pRuntime);
-
-    pValue = pRuntime->GetObjectProperty(pObj, L"cMsg");
-    cMsg = CJS_Value(pValue).ToWideString(pRuntime);
+    v8::Local<v8::Object> pObj = pRuntime->ToObject(params[0].ToV8Value());
+    bUI = pRuntime->ToBoolean(pRuntime->GetObjectProperty(pObj, L"bUI"));
+    cTo = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cTo"));
+    cCc = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cCc"));
+    cBcc = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cBcc"));
+    cSubject =
+        pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cSubject"));
+    cMsg = pRuntime->ToWideString(pRuntime->GetObjectProperty(pObj, L"cMsg"));
   }
 
   pRuntime->BeginBlock();
@@ -881,7 +874,7 @@
     *sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION);
     return false;
   }
-  WideString csProperty = vp.ToWideString(pRuntime);
+  WideString csProperty = pRuntime->ToWideString(vp.ToV8Value());
   pDictionary->SetNewFor<CPDF_String>(propName, PDF_EncodeText(csProperty),
                                       false);
   m_pFormFillEnv->SetChangeMark();
@@ -936,7 +929,7 @@
     return false;
   }
 
-  m_bDelay = vp.ToBool(pRuntime);
+  m_bDelay = pRuntime->ToBoolean(vp.ToV8Value());
   if (m_bDelay) {
     m_DelayData.clear();
     return true;
@@ -1116,7 +1109,7 @@
 bool Document::set_base_URL(CJS_Runtime* pRuntime,
                             const CJS_Value& vp,
                             WideString* sError) {
-  m_cwBaseURL = vp.ToWideString(pRuntime);
+  m_cwBaseURL = pRuntime->ToWideString(vp.ToV8Value());
   return true;
 }
 
@@ -1142,7 +1135,7 @@
   }
 
   CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
-  pInterForm->EnableCalculate(vp.ToBool(pRuntime));
+  pInterForm->EnableCalculate(pRuntime->ToBoolean(vp.ToV8Value()));
   return true;
 }
 
@@ -1253,8 +1246,9 @@
     sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT);
     return false;
   }
-  int nPageNo = params[0].ToInt(pRuntime);
-  WideString swAnnotName = params[1].ToWideString(pRuntime);
+
+  int nPageNo = pRuntime->ToInt32(params[0].ToV8Value());
+  WideString swAnnotName = pRuntime->ToWideString(params[1].ToV8Value());
   CPDFSDK_PageView* pPageView = m_pFormFillEnv->GetPageView(nPageNo);
   if (!pPageView)
     return false;
@@ -1326,7 +1320,10 @@
           pJS_Annot ? CJS_Value(pJS_Annot->ToV8Object()) : CJS_Value());
     }
   }
-  vRet = CJS_Value(annots.ToV8Array(pRuntime));
+  if (annots.ToV8Value().IsEmpty())
+    vRet = CJS_Value(pRuntime->NewArray());
+  else
+    vRet = CJS_Value(annots.ToV8Value());
   return true;
 }
 
@@ -1373,19 +1370,21 @@
     return false;
   }
 
-  WideString swIconName = params[0].ToWideString(pRuntime);
+  WideString swIconName = pRuntime->ToWideString(params[0].ToV8Value());
   if (params[1].GetType() != CJS_Value::VT_object) {
     sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR);
     return false;
   }
 
-  v8::Local<v8::Object> pJSIcon = params[1].ToV8Object(pRuntime);
+  v8::Local<v8::Object> pJSIcon = pRuntime->ToObject(params[1].ToV8Value());
   if (CFXJS_Engine::GetObjDefnID(pJSIcon) != CJS_Icon::g_nObjDefnID) {
     sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR);
     return false;
   }
 
-  if (!params[1].ToObject(pRuntime)->GetEmbedObject()) {
+  v8::Local<v8::Object> pObj = pRuntime->ToObject(params[1].ToV8Value());
+  CJS_Object* obj = static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj));
+  if (!obj->GetEmbedObject()) {
     sError = JSGetStringFromID(IDS_STRING_JSTYPEERROR);
     return false;
   }
@@ -1419,7 +1418,11 @@
         pJS_Icon ? CJS_Value(pJS_Icon->ToV8Object()) : CJS_Value());
   }
 
-  vp->Set(Icons.ToV8Array(pRuntime));
+  if (Icons.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(Icons.ToV8Value());
+
   return true;
 }
 
@@ -1439,7 +1442,7 @@
     return false;
   }
 
-  WideString swIconName = params[0].ToWideString(pRuntime);
+  WideString swIconName = pRuntime->ToWideString(params[0].ToV8Value());
   auto it = std::find(m_IconNames.begin(), m_IconNames.end(), swIconName);
   if (it == m_IconNames.end())
     return false;
@@ -1531,9 +1534,12 @@
 
   // TODO(tsepez): check maximum allowable params.
 
-  int nPageNo = params.size() > 0 ? params[0].ToInt(pRuntime) : 0;
-  int nWordNo = params.size() > 1 ? params[1].ToInt(pRuntime) : 0;
-  bool bStrip = params.size() > 2 ? params[2].ToBool(pRuntime) : true;
+  int nPageNo =
+      params.size() > 0 ? pRuntime->ToInt32(params[0].ToV8Value()) : 0;
+  int nWordNo =
+      params.size() > 1 ? pRuntime->ToInt32(params[1].ToV8Value()) : 0;
+  bool bStrip =
+      params.size() > 2 ? pRuntime->ToBoolean(params[2].ToV8Value()) : true;
 
   CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
   if (!pDocument)
@@ -1601,7 +1607,8 @@
     sError = JSGetStringFromID(IDS_STRING_JSNOPERMISSION);
     return false;
   }
-  int nPageNo = params.size() > 0 ? params[0].ToInt(pRuntime) : 0;
+  int nPageNo =
+      params.size() > 0 ? pRuntime->ToInt32(params[0].ToV8Value()) : 0;
   CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
   if (nPageNo < 0 || nPageNo >= pDocument->GetPageCount()) {
     sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR);
@@ -1786,7 +1793,8 @@
     sError = JSGetStringFromID(IDS_STRING_JSBADOBJECT);
     return false;
   }
-  WideString wideName = params[0].ToWideString(pRuntime);
+
+  WideString wideName = pRuntime->ToWideString(params[0].ToV8Value());
   CPDF_Document* pDocument = m_pFormFillEnv->GetPDFDocument();
   if (!pDocument)
     return false;
diff --git a/fpdfsdk/javascript/Field.cpp b/fpdfsdk/javascript/Field.cpp
index 8979e7f..5bcc66b 100644
--- a/fpdfsdk/javascript/Field.cpp
+++ b/fpdfsdk/javascript/Field.cpp
@@ -471,11 +471,13 @@
   if (!m_bCanSet)
     return false;
 
+  ByteString byte_str =
+      ByteString::FromUnicode(pRuntime->ToWideString(vp.ToV8Value()));
   if (m_bDelay) {
-    AddDelay_String(FP_BORDERSTYLE, vp.ToByteString(pRuntime));
+    AddDelay_String(FP_BORDERSTYLE, byte_str);
   } else {
     Field::SetBorderStyle(m_pFormFillEnv.Get(), m_FieldName,
-                          m_nFormControlIndex, vp.ToByteString(pRuntime));
+                          m_nFormControlIndex, byte_str);
   }
   return true;
 }
@@ -860,7 +862,10 @@
         pRuntime, i,
         CJS_Value(pRuntime->NewNumber(pFormField->GetSelectedIndex(i))));
   }
-  vp->Set(SelArray.ToV8Array(pRuntime));
+  if (SelArray.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(SelArray.ToV8Value());
 
   return true;
 }
@@ -873,11 +878,12 @@
 
   std::vector<uint32_t> array;
   if (vp.GetType() == CJS_Value::VT_number) {
-    array.push_back(vp.ToInt(pRuntime));
+    array.push_back(pRuntime->ToInt32(vp.ToV8Value()));
   } else if (vp.IsArrayObject()) {
-    CJS_Array SelArray = vp.ToArray(pRuntime);
+    CJS_Array SelArray(pRuntime->ToArray(vp.ToV8Value()));
     for (int i = 0, sz = SelArray.GetLength(pRuntime); i < sz; i++)
-      array.push_back(SelArray.GetElement(pRuntime, i).ToInt(pRuntime));
+      array.push_back(
+          pRuntime->ToInt32(SelArray.GetElement(pRuntime, i).ToV8Value()));
   }
 
   if (m_bDelay) {
@@ -1027,7 +1033,7 @@
   if (!m_bCanSet)
     return false;
 
-  SetDelay(vp.ToBool(pRuntime));
+  SetDelay(pRuntime->ToBoolean(vp.ToV8Value()));
   return true;
 }
 
@@ -1070,10 +1076,10 @@
     return false;
 
   if (m_bDelay) {
-    AddDelay_Int(FP_DISPLAY, vp.ToInt(pRuntime));
+    AddDelay_Int(FP_DISPLAY, pRuntime->ToInt32(vp.ToV8Value()));
   } else {
     Field::SetDisplay(m_pFormFillEnv.Get(), m_FieldName, m_nFormControlIndex,
-                      vp.ToInt(pRuntime));
+                      pRuntime->ToInt32(vp.ToV8Value()));
   }
   return true;
 }
@@ -1160,13 +1166,14 @@
     return false;
   }
 
-  CJS_Array ExportValusArray;
+  CJS_Array ExportValuesArray;
   if (m_nFormControlIndex < 0) {
     for (int i = 0, sz = pFormField->CountControls(); i < sz; i++) {
       CPDF_FormControl* pFormControl = pFormField->GetControl(i);
-      ExportValusArray.SetElement(pRuntime, i,
-                                  CJS_Value(pRuntime->NewString(
-                                      pFormControl->GetExportValue().c_str())));
+      ExportValuesArray.SetElement(
+          pRuntime, i,
+          CJS_Value(
+              pRuntime->NewString(pFormControl->GetExportValue().c_str())));
     }
   } else {
     if (m_nFormControlIndex >= pFormField->CountControls())
@@ -1177,12 +1184,16 @@
     if (!pFormControl)
       return false;
 
-    ExportValusArray.SetElement(
+    ExportValuesArray.SetElement(
         pRuntime, 0,
         CJS_Value(pRuntime->NewString(pFormControl->GetExportValue().c_str())));
   }
 
-  vp->Set(ExportValusArray.ToV8Array(pRuntime));
+  if (ExportValuesArray.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(ExportValuesArray.ToV8Value());
+
   return true;
 }
 
@@ -1269,7 +1280,12 @@
     return false;
   }
 
-  vp->Set(color::ConvertPWLColorToArray(pRuntime, color).ToV8Array(pRuntime));
+  CJS_Array array = color::ConvertPWLColorToArray(pRuntime, color);
+  if (array.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(array.ToV8Value());
+
   return true;
 }
 
@@ -1315,10 +1331,10 @@
     return false;
 
   if (m_bDelay) {
-    AddDelay_Bool(FP_HIDDEN, vp.ToBool(pRuntime));
+    AddDelay_Bool(FP_HIDDEN, pRuntime->ToBoolean(vp.ToV8Value()));
   } else {
     Field::SetHidden(m_pFormFillEnv.Get(), m_FieldName, m_nFormControlIndex,
-                     vp.ToBool(pRuntime));
+                     pRuntime->ToBoolean(vp.ToV8Value()));
   }
   return true;
 }
@@ -1409,10 +1425,10 @@
     return false;
 
   if (m_bDelay) {
-    AddDelay_Int(FP_LINEWIDTH, vp.ToInt(pRuntime));
+    AddDelay_Int(FP_LINEWIDTH, pRuntime->ToInt32(vp.ToV8Value()));
   } else {
     Field::SetLineWidth(m_pFormFillEnv.Get(), m_FieldName, m_nFormControlIndex,
-                        vp.ToInt(pRuntime));
+                        pRuntime->ToInt32(vp.ToV8Value()));
   }
   return true;
 }
@@ -1578,7 +1594,11 @@
     ++i;
   }
 
-  vp->Set(PageArray.ToV8Array(pRuntime));
+  if (PageArray.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(PageArray.ToV8Value());
+
   return true;
 }
 
@@ -1650,7 +1670,7 @@
           if (CPDFSDK_Widget* pWidget =
                   pInterForm->GetWidget(pFormField->GetControl(i))) {
             uint32_t dwFlags = pWidget->GetFlags();
-            if (vp.ToBool(pRuntime))
+            if (pRuntime->ToBoolean(vp.ToV8Value()))
               dwFlags |= ANNOTFLAG_PRINT;
             else
               dwFlags &= ~ANNOTFLAG_PRINT;
@@ -1674,7 +1694,7 @@
               pFormField->GetControl(m_nFormControlIndex)) {
         if (CPDFSDK_Widget* pWidget = pInterForm->GetWidget(pFormControl)) {
           uint32_t dwFlags = pWidget->GetFlags();
-          if (vp.ToBool(pRuntime))
+          if (pRuntime->ToBoolean(vp.ToV8Value()))
             dwFlags |= ANNOTFLAG_PRINT;
           else
             dwFlags &= ~ANNOTFLAG_PRINT;
@@ -1763,7 +1783,12 @@
   rcArray.SetElement(
       pRuntime, 3,
       CJS_Value(pRuntime->NewNumber(static_cast<int32_t>(crRect.bottom))));
-  vp->Set(rcArray.ToV8Array(pRuntime));
+
+  if (rcArray.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(rcArray.ToV8Value());
+
   return true;
 }
 
@@ -1775,16 +1800,16 @@
   if (!vp.IsArrayObject())
     return false;
 
-  CJS_Array rcArray = vp.ToArray(pRuntime);
+  CJS_Array rcArray(pRuntime->ToArray(vp.ToV8Value()));
   float pArray[4];
-  pArray[0] =
-      static_cast<float>(rcArray.GetElement(pRuntime, 0).ToInt(pRuntime));
-  pArray[1] =
-      static_cast<float>(rcArray.GetElement(pRuntime, 1).ToInt(pRuntime));
-  pArray[2] =
-      static_cast<float>(rcArray.GetElement(pRuntime, 2).ToInt(pRuntime));
-  pArray[3] =
-      static_cast<float>(rcArray.GetElement(pRuntime, 3).ToInt(pRuntime));
+  pArray[0] = static_cast<float>(
+      pRuntime->ToInt32(rcArray.GetElement(pRuntime, 0).ToV8Value()));
+  pArray[1] = static_cast<float>(
+      pRuntime->ToInt32(rcArray.GetElement(pRuntime, 1).ToV8Value()));
+  pArray[2] = static_cast<float>(
+      pRuntime->ToInt32(rcArray.GetElement(pRuntime, 2).ToV8Value()));
+  pArray[3] = static_cast<float>(
+      pRuntime->ToInt32(rcArray.GetElement(pRuntime, 3).ToV8Value()));
 
   CFX_FloatRect crRect(pArray);
   if (m_bDelay) {
@@ -1978,7 +2003,12 @@
     return false;
   }
 
-  vp->Set(color::ConvertPWLColorToArray(pRuntime, color).ToV8Array(pRuntime));
+  CJS_Array array = color::ConvertPWLColorToArray(pRuntime, color);
+  if (array.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(array.ToV8Value());
+
   return true;
 }
 
@@ -2087,7 +2117,12 @@
   if (iColorType == CFX_Color::kTransparent)
     crRet = CFX_Color(CFX_Color::kTransparent);
 
-  vp->Set(color::ConvertPWLColorToArray(pRuntime, crRet).ToV8Array(pRuntime));
+  CJS_Array array = color::ConvertPWLColorToArray(pRuntime, crRet);
+  if (array.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(array.ToV8Value());
+
   return true;
 }
 
@@ -2137,9 +2172,8 @@
 
   if (!m_bCanSet)
     return false;
-
-  ByteString fontName = vp.ToByteString(pRuntime);
-  return !fontName.IsEmpty();
+  return !ByteString::FromUnicode(pRuntime->ToWideString(vp.ToV8Value()))
+              .IsEmpty();
 }
 
 bool Field::get_text_size(CJS_Runtime* pRuntime,
@@ -2259,13 +2293,19 @@
           iIndex = pFormField->GetSelectedIndex(i);
           ElementValue = CJS_Value(
               pRuntime->NewString(pFormField->GetOptionValue(iIndex).c_str()));
-          if (wcslen(ElementValue.ToWideString(pRuntime).c_str()) == 0) {
+          if (wcslen(
+                  pRuntime->ToWideString(ElementValue.ToV8Value()).c_str()) ==
+              0) {
             ElementValue = CJS_Value(pRuntime->NewString(
                 pFormField->GetOptionLabel(iIndex).c_str()));
           }
           ValueArray.SetElement(pRuntime, i, ElementValue);
         }
-        vp->Set(ValueArray.ToV8Array(pRuntime));
+
+        if (ValueArray.ToV8Value().IsEmpty())
+          vp->Set(pRuntime->NewArray());
+        else
+          vp->Set(ValueArray.ToV8Value());
       } else {
         vp->Set(pRuntime->NewString(pFormField->GetValue().c_str()));
       }
@@ -2303,13 +2343,13 @@
 
   std::vector<WideString> strArray;
   if (vp.IsArrayObject()) {
-    CJS_Array ValueArray(vp.ToArray(pRuntime));
+    CJS_Array ValueArray(pRuntime->ToArray(vp.ToV8Value()));
     for (int i = 0, sz = ValueArray.GetLength(pRuntime); i < sz; i++) {
       CJS_Value ElementValue(ValueArray.GetElement(pRuntime, i));
-      strArray.push_back(ElementValue.ToWideString(pRuntime));
+      strArray.push_back(pRuntime->ToWideString(ElementValue.ToV8Value()));
     }
   } else {
-    strArray.push_back(vp.ToWideString(pRuntime));
+    strArray.push_back(pRuntime->ToWideString(vp.ToV8Value()));
   }
 
   if (m_bDelay) {
@@ -2453,7 +2493,7 @@
   int nface = 0;
   int iSize = params.size();
   if (iSize >= 1)
-    nface = params[0].ToInt(pRuntime);
+    nface = pRuntime->ToInt32(params[0].ToV8Value());
 
   std::vector<CPDF_FormField*> FieldArray = GetFormFields(m_FieldName);
   if (FieldArray.empty())
@@ -2487,7 +2527,7 @@
                           CJS_Value& vRet,
                           WideString& sError) {
   if (params.size() >= 1) {
-    int nFace = params[0].ToInt(pRuntime);
+    int nFace = pRuntime->ToInt32(params[0].ToV8Value());
     if (nFace < 0 || nFace > 2)
       return false;
   }
@@ -2548,10 +2588,10 @@
   if (!m_bCanSet)
     return false;
 
-  int nWidget = params[0].ToInt(pRuntime);
+  int nWidget = pRuntime->ToInt32(params[0].ToV8Value());
   bool bCheckit = true;
   if (iSize >= 2)
-    bCheckit = params[1].ToBool(pRuntime);
+    bCheckit = pRuntime->ToBoolean(params[1].ToV8Value());
 
   std::vector<CPDF_FormField*> FieldArray = GetFormFields(m_FieldName);
   if (FieldArray.empty())
@@ -2592,7 +2632,7 @@
   if (iSize < 1)
     return false;
 
-  int nWidget = params[0].ToInt(pRuntime);
+  int nWidget = pRuntime->ToInt32(params[0].ToV8Value());
   std::vector<CPDF_FormField*> FieldArray = GetFormFields(m_FieldName);
   if (FieldArray.empty())
     return false;
@@ -2651,7 +2691,11 @@
         pJSField ? CJS_Value(pJSField->ToV8Object()) : CJS_Value());
   }
 
-  vRet = CJS_Value(FormFieldArray.ToV8Array(pRuntime));
+  if (FormFieldArray.ToV8Value().IsEmpty())
+    vRet = CJS_Value(pRuntime->NewArray());
+  else
+    vRet = CJS_Value(FormFieldArray.ToV8Value());
+
   return true;
 }
 
@@ -2662,11 +2706,11 @@
   int iSize = params.size();
   int nIdx = -1;
   if (iSize >= 1)
-    nIdx = params[0].ToInt(pRuntime);
+    nIdx = pRuntime->ToInt32(params[0].ToV8Value());
 
   bool bExport = true;
   if (iSize >= 2)
-    bExport = params[1].ToBool(pRuntime);
+    bExport = pRuntime->ToBoolean(params[1].ToV8Value());
 
   std::vector<CPDF_FormField*> FieldArray = GetFormFields(m_FieldName);
   if (FieldArray.empty())
@@ -2715,7 +2759,7 @@
                          WideString& sError) {
   int nIndex = -1;
   if (params.size() >= 1)
-    nIndex = params[0].ToInt(pRuntime);
+    nIndex = pRuntime->ToInt32(params[0].ToV8Value());
 
   std::vector<CPDF_FormField*> FieldArray = GetFormFields(m_FieldName);
   if (FieldArray.empty())
@@ -2738,7 +2782,7 @@
                              WideString& sError) {
   int nIndex = -1;
   if (params.size() >= 1)
-    nIndex = params[0].ToInt(pRuntime);
+    nIndex = pRuntime->ToInt32(params[0].ToV8Value());
 
   std::vector<CPDF_FormField*> FieldArray = GetFormFields(m_FieldName);
   if (FieldArray.empty())
diff --git a/fpdfsdk/javascript/JS_Value.cpp b/fpdfsdk/javascript/JS_Value.cpp
index fcf913a..35a5b1c 100644
--- a/fpdfsdk/javascript/JS_Value.cpp
+++ b/fpdfsdk/javascript/JS_Value.cpp
@@ -190,66 +190,15 @@
   m_pValue = pValue;
 }
 
-int CJS_Value::ToInt(CJS_Runtime* pRuntime) const {
-  return pRuntime->ToInt32(m_pValue);
-}
-
-bool CJS_Value::ToBool(CJS_Runtime* pRuntime) const {
-  return pRuntime->ToBoolean(m_pValue);
-}
-
-double CJS_Value::ToDouble(CJS_Runtime* pRuntime) const {
-  return pRuntime->ToDouble(m_pValue);
-}
-
-float CJS_Value::ToFloat(CJS_Runtime* pRuntime) const {
-  return static_cast<float>(ToDouble(pRuntime));
-}
-
-CJS_Object* CJS_Value::ToObject(CJS_Runtime* pRuntime) const {
-  v8::Local<v8::Object> pObj = pRuntime->ToObject(m_pValue);
-  return static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj));
-}
-
-CJS_Document* CJS_Value::ToDocument(CJS_Runtime* pRuntime) const {
-  return static_cast<CJS_Document*>(ToObject(pRuntime));
-}
-
-CJS_Array CJS_Value::ToArray(CJS_Runtime* pRuntime) const {
-  ASSERT(IsArrayObject());
-  return CJS_Array(pRuntime->ToArray(m_pValue));
-}
-
-CJS_Date CJS_Value::ToDate() const {
-  ASSERT(IsDateObject());
-  v8::Local<v8::Value> mutable_value = m_pValue;
-  return CJS_Date(mutable_value.As<v8::Date>());
-}
-
-v8::Local<v8::Object> CJS_Value::ToV8Object(CJS_Runtime* pRuntime) const {
-  return pRuntime->ToObject(m_pValue);
-}
-
-WideString CJS_Value::ToWideString(CJS_Runtime* pRuntime) const {
-  return pRuntime->ToWideString(m_pValue);
-}
-
-ByteString CJS_Value::ToByteString(CJS_Runtime* pRuntime) const {
-  return ByteString::FromUnicode(ToWideString(pRuntime));
-}
-
 v8::Local<v8::Value> CJS_Value::ToV8Value() const {
   return m_pValue;
 }
 
-v8::Local<v8::Array> CJS_Value::ToV8Array(CJS_Runtime* pRuntime) const {
-  return pRuntime->ToArray(m_pValue);
-}
-
 void CJS_Value::MaybeCoerceToNumber(CJS_Runtime* pRuntime) {
   bool bAllowNaN = false;
   if (GetType() == VT_string) {
-    ByteString bstr = ToByteString(pRuntime);
+    ByteString bstr =
+        ByteString::FromUnicode(pRuntime->ToWideString(ToV8Value()));
     if (bstr.GetLength() == 0)
       return;
     if (bstr == "NaN")
@@ -326,13 +275,6 @@
   return pRuntime->GetArrayLength(m_pArray);
 }
 
-v8::Local<v8::Array> CJS_Array::ToV8Array(CJS_Runtime* pRuntime) const {
-  if (m_pArray.IsEmpty())
-    m_pArray = pRuntime->NewArray();
-
-  return m_pArray;
-}
-
 CJS_Date::CJS_Date() {}
 
 CJS_Date::CJS_Date(v8::Local<v8::Date> pDate) : m_pDate(pDate) {}
@@ -398,10 +340,6 @@
   return JS_GetSecFromTime(JS_LocalTime(pRuntime->ToDouble(m_pDate)));
 }
 
-v8::Local<v8::Date> CJS_Date::ToV8Date() const {
-  return m_pDate;
-}
-
 double JS_GetDateTime() {
   if (!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
     return 0;
@@ -522,7 +460,7 @@
       originals[0].IsArrayObject()) {
     return result;
   }
-  v8::Local<v8::Object> pObj = originals[0].ToV8Object(pRuntime);
+  v8::Local<v8::Object> pObj = pRuntime->ToObject(originals[0].ToV8Value());
   result[0] = CJS_Value();  // Make unknown.
 
   va_list ap;
diff --git a/fpdfsdk/javascript/JS_Value.h b/fpdfsdk/javascript/JS_Value.h
index c0e267a..07e5986 100644
--- a/fpdfsdk/javascript/JS_Value.h
+++ b/fpdfsdk/javascript/JS_Value.h
@@ -42,18 +42,6 @@
 
   Type GetType() const { return GetValueType(m_pValue); }
 
-  int ToInt(CJS_Runtime* pRuntime) const;
-  bool ToBool(CJS_Runtime* pRuntime) const;
-  double ToDouble(CJS_Runtime* pRuntime) const;
-  float ToFloat(CJS_Runtime* pRuntime) const;
-  CJS_Object* ToObject(CJS_Runtime* pRuntime) const;
-  CJS_Document* ToDocument(CJS_Runtime* pRuntime) const;
-  CJS_Array ToArray(CJS_Runtime* pRuntime) const;
-  CJS_Date ToDate() const;
-  WideString ToWideString(CJS_Runtime* pRuntime) const;
-  ByteString ToByteString(CJS_Runtime* pRuntime) const;
-  v8::Local<v8::Object> ToV8Object(CJS_Runtime* pRuntime) const;
-  v8::Local<v8::Array> ToV8Array(CJS_Runtime* pRuntime) const;
   v8::Local<v8::Value> ToV8Value() const;
 
   // Replace the current |m_pValue| with a v8::Number if possible
@@ -82,7 +70,7 @@
                   unsigned index,
                   const CJS_Value& value);
 
-  v8::Local<v8::Array> ToV8Array(CJS_Runtime* pRuntime) const;
+  v8::Local<v8::Value> ToV8Value() const { return m_pArray; }
 
  private:
   mutable v8::Local<v8::Array> m_pArray;
@@ -112,10 +100,9 @@
   int GetMinutes(CJS_Runtime* pRuntime) const;
   int GetSeconds(CJS_Runtime* pRuntime) const;
 
-  v8::Local<v8::Date> ToV8Date() const;
-  WideString ToWideString(int style) const;
+  v8::Local<v8::Value> ToV8Value() const { return m_pDate; }
 
- protected:
+ private:
   v8::Local<v8::Date> m_pDate;
 };
 
diff --git a/fpdfsdk/javascript/PublicMethods.cpp b/fpdfsdk/javascript/PublicMethods.cpp
index 9f336ae..4623980 100644
--- a/fpdfsdk/javascript/PublicMethods.cpp
+++ b/fpdfsdk/javascript/PublicMethods.cpp
@@ -248,9 +248,9 @@
 CJS_Array CJS_PublicMethods::AF_MakeArrayFromList(CJS_Runtime* pRuntime,
                                                   CJS_Value val) {
   if (val.IsArrayObject())
-    return val.ToArray(pRuntime);
+    return CJS_Array(pRuntime->ToArray(val.ToV8Value()));
 
-  WideString wsStr = val.ToWideString(pRuntime);
+  WideString wsStr = pRuntime->ToWideString(val.ToV8Value());
   ByteString t = ByteString::FromUnicode(wsStr);
   const char* p = t.c_str();
 
@@ -827,12 +827,12 @@
   if (strValue.IsEmpty())
     return true;
 
-  int iDec = params[0].ToInt(pRuntime);
-  int iSepStyle = params[1].ToInt(pRuntime);
-  int iNegStyle = params[2].ToInt(pRuntime);
+  int iDec = pRuntime->ToInt32(params[0].ToV8Value());
+  int iSepStyle = pRuntime->ToInt32(params[1].ToV8Value());
+  int iNegStyle = pRuntime->ToInt32(params[2].ToV8Value());
   // params[3] is iCurrStyle, it's not used.
-  WideString wstrCurrency = params[4].ToWideString(pRuntime);
-  bool bCurrencyPrepend = params[5].ToBool(pRuntime);
+  WideString wstrCurrency = pRuntime->ToWideString(params[4].ToV8Value());
+  bool bCurrencyPrepend = pRuntime->ToBoolean(params[5].ToV8Value());
 
   if (iDec < 0)
     iDec = -iDec;
@@ -908,7 +908,12 @@
         arColor.SetElement(pRuntime, 2, vColElm);
         arColor.SetElement(pRuntime, 3, vColElm);
 
-        CJS_Value vProp(arColor.ToV8Array(pRuntime));
+        CJS_Value vProp;
+        if (arColor.ToV8Value().IsEmpty())
+          vProp.Set(pRuntime->NewArray());
+        else
+          vProp.Set(arColor.ToV8Value());
+
         fTarget->set_text_color(pRuntime, vProp, &sError);  // red
       }
     }
@@ -927,12 +932,17 @@
         CJS_Value vProp;
         fTarget->get_text_color(pRuntime, &vProp, &sError);
 
-        CFX_Color crProp =
-            color::ConvertArrayToPWLColor(pRuntime, vProp.ToArray(pRuntime));
+        CFX_Color crProp = color::ConvertArrayToPWLColor(
+            pRuntime, CJS_Array(pRuntime->ToArray(vProp.ToV8Value())));
         CFX_Color crColor = color::ConvertArrayToPWLColor(pRuntime, arColor);
         if (crColor != crProp) {
-          fTarget->set_text_color(
-              pRuntime, CJS_Value(arColor.ToV8Array(pRuntime)), &sError);
+          CJS_Value value;
+          if (arColor.ToV8Value().IsEmpty())
+            value.Set(pRuntime->NewArray());
+          else
+            value.Set(arColor.ToV8Value());
+
+          fTarget->set_text_color(pRuntime, value, &sError);
         }
       }
     }
@@ -988,7 +998,7 @@
     }
   }
 
-  int iSepStyle = params[1].ToInt(pRuntime);
+  int iSepStyle = pRuntime->ToInt32(params[1].ToV8Value());
   if (iSepStyle < 0 || iSepStyle > 3)
     iSepStyle = 0;
   const wchar_t cSep = iSepStyle < 2 ? L'.' : L',';
@@ -1058,11 +1068,11 @@
   if (strValue.IsEmpty())
     return true;
 
-  int iDec = params[0].ToInt(pRuntime);
+  int iDec = pRuntime->ToInt32(params[0].ToV8Value());
   if (iDec < 0)
     iDec = -iDec;
 
-  int iSepStyle = params[1].ToInt(pRuntime);
+  int iSepStyle = pRuntime->ToInt32(params[1].ToV8Value());
   if (iSepStyle < 0 || iSepStyle > 3)
     iSepStyle = 0;
 
@@ -1157,7 +1167,7 @@
   if (strValue.IsEmpty())
     return true;
 
-  WideString sFormat = params[0].ToWideString(pRuntime);
+  WideString sFormat = pRuntime->ToWideString(params[0].ToV8Value());
   double dDate = 0.0f;
 
   if (strValue.Contains(L"GMT")) {
@@ -1255,7 +1265,7 @@
     if (strValue.IsEmpty())
       return true;
 
-    WideString sFormat = params[0].ToWideString(pRuntime);
+    WideString sFormat = pRuntime->ToWideString(params[0].ToV8Value());
     bool bWrongFormat = false;
     double dRet = MakeRegularDate(strValue, sFormat, &bWrongFormat);
     if (bWrongFormat || std::isnan(dRet)) {
@@ -1279,7 +1289,7 @@
     return false;
   }
 
-  int iIndex = params[0].ToInt(pRuntime);
+  int iIndex = pRuntime->ToInt32(params[0].ToV8Value());
   const wchar_t* cFormats[] = {L"m/d",
                                L"m/d/yy",
                                L"mm/dd/yy",
@@ -1313,7 +1323,7 @@
     return false;
   }
 
-  int iIndex = params[0].ToInt(pRuntime);
+  int iIndex = pRuntime->ToInt32(params[0].ToV8Value());
   const wchar_t* cFormats[] = {L"m/d",
                                L"m/d/yy",
                                L"mm/dd/yy",
@@ -1347,7 +1357,7 @@
     return false;
   }
 
-  int iIndex = params[0].ToInt(pRuntime);
+  int iIndex = pRuntime->ToInt32(params[0].ToV8Value());
   const wchar_t* cFormats[] = {L"HH:MM", L"h:MM tt", L"HH:MM:ss",
                                L"h:MM:ss tt"};
 
@@ -1368,7 +1378,7 @@
     return false;
   }
 
-  int iIndex = params[0].ToInt(pRuntime);
+  int iIndex = pRuntime->ToInt32(params[0].ToV8Value());
   const wchar_t* cFormats[] = {L"HH:MM", L"h:MM tt", L"HH:MM:ss",
                                L"h:MM:ss tt"};
 
@@ -1411,7 +1421,7 @@
 
   WideString wsSource = pEvent->Value();
   WideString wsFormat;
-  switch (params[0].ToInt(pRuntime)) {
+  switch (pRuntime->ToInt32(params[0].ToV8Value())) {
     case 0:
       wsFormat = L"99999";
       break;
@@ -1450,7 +1460,7 @@
     return false;
 
   WideString& valEvent = pEvent->Value();
-  WideString wstrMask = params[0].ToWideString(pRuntime);
+  WideString wstrMask = pRuntime->ToWideString(params[0].ToV8Value());
   if (wstrMask.IsEmpty())
     return true;
 
@@ -1533,7 +1543,7 @@
     return false;
 
   const char* cFormat = "";
-  switch (params[0].ToInt(pRuntime)) {
+  switch (pRuntime->ToInt32(params[0].ToV8Value())) {
     case 0:
       cFormat = "99999";
       break;
@@ -1605,8 +1615,8 @@
     return false;
   }
 
-  WideString sValue = params[0].ToWideString(pRuntime);
-  WideString sFormat = params[1].ToWideString(pRuntime);
+  WideString sValue = pRuntime->ToWideString(params[0].ToV8Value());
+  WideString sFormat = pRuntime->ToWideString(params[1].ToV8Value());
   double dDate = MakeRegularDate(sValue, sFormat, nullptr);
   if (std::isnan(dDate)) {
     WideString swMsg;
@@ -1630,8 +1640,9 @@
   }
 
   vRet = CJS_Value(pRuntime->NewNumber(static_cast<double>(
-      AF_Simple(params[0].ToWideString(pRuntime).c_str(),
-                params[1].ToDouble(pRuntime), params[2].ToDouble(pRuntime)))));
+      AF_Simple(pRuntime->ToWideString(params[0].ToV8Value()).c_str(),
+                pRuntime->ToDouble(params[1].ToV8Value()),
+                pRuntime->ToDouble(params[2].ToV8Value())))));
 
   return true;
 }
@@ -1645,7 +1656,7 @@
     return false;
   }
 
-  WideString ws = params[0].ToWideString(pRuntime);
+  WideString ws = pRuntime->ToWideString(params[0].ToV8Value());
   ws.Replace(L",", L".");
   vRet = CJS_Value(pRuntime->NewString(ws.c_str()));
   vRet.MaybeCoerceToNumber(pRuntime);
@@ -1673,15 +1684,15 @@
       pRuntime->GetFormFillEnv()->GetInterForm();
   CPDF_InterForm* pInterForm = pReaderInterForm->GetInterForm();
 
-  WideString sFunction = params[0].ToWideString(pRuntime);
+  WideString sFunction = pRuntime->ToWideString(params[0].ToV8Value());
   double dValue = wcscmp(sFunction.c_str(), L"PRD") == 0 ? 1.0 : 0.0;
 
   CJS_Array FieldNameArray = AF_MakeArrayFromList(pRuntime, params1);
   int nFieldsCount = 0;
 
   for (int i = 0, isz = FieldNameArray.GetLength(pRuntime); i < isz; i++) {
-    CJS_Value jsValue(FieldNameArray.GetElement(pRuntime, i));
-    WideString wsFieldName = jsValue.ToWideString(pRuntime);
+    WideString wsFieldName = pRuntime->ToWideString(
+        FieldNameArray.GetElement(pRuntime, i).ToV8Value());
 
     for (int j = 0, jsz = pInterForm->CountFields(wsFieldName); j < jsz; j++) {
       if (CPDF_FormField* pFormField = pInterForm->GetField(j, wsFieldName)) {
@@ -1741,10 +1752,11 @@
   dValue = (double)floor(dValue * FXSYS_pow((double)10, (double)6) + 0.49) /
            FXSYS_pow((double)10, (double)6);
 
-  CJS_Value jsValue(pRuntime->NewNumber(dValue));
   CJS_EventContext* pContext = pRuntime->GetCurrentEventContext();
-  if (pContext->GetEventHandler()->m_pValue)
-    pContext->GetEventHandler()->Value() = jsValue.ToWideString(pRuntime);
+  if (pContext->GetEventHandler()->m_pValue) {
+    pContext->GetEventHandler()->Value() =
+        pRuntime->ToWideString(pRuntime->NewNumber(dValue));
+  }
 
   return true;
 }
@@ -1769,25 +1781,25 @@
     return true;
 
   double dEentValue = atof(ByteString::FromUnicode(pEvent->Value()).c_str());
-  bool bGreaterThan = params[0].ToBool(pRuntime);
-  double dGreaterThan = params[1].ToDouble(pRuntime);
-  bool bLessThan = params[2].ToBool(pRuntime);
-  double dLessThan = params[3].ToDouble(pRuntime);
+  bool bGreaterThan = pRuntime->ToBoolean(params[0].ToV8Value());
+  double dGreaterThan = pRuntime->ToDouble(params[1].ToV8Value());
+  bool bLessThan = pRuntime->ToBoolean(params[2].ToV8Value());
+  double dLessThan = pRuntime->ToDouble(params[3].ToV8Value());
   WideString swMsg;
 
   if (bGreaterThan && bLessThan) {
     if (dEentValue < dGreaterThan || dEentValue > dLessThan)
       swMsg.Format(JSGetStringFromID(IDS_STRING_JSRANGE1).c_str(),
-                   params[1].ToWideString(pRuntime).c_str(),
-                   params[3].ToWideString(pRuntime).c_str());
+                   pRuntime->ToWideString(params[1].ToV8Value()).c_str(),
+                   pRuntime->ToWideString(params[3].ToV8Value()).c_str());
   } else if (bGreaterThan) {
     if (dEentValue < dGreaterThan)
       swMsg.Format(JSGetStringFromID(IDS_STRING_JSRANGE2).c_str(),
-                   params[1].ToWideString(pRuntime).c_str());
+                   pRuntime->ToWideString(params[1].ToV8Value()).c_str());
   } else if (bLessThan) {
     if (dEentValue > dLessThan)
       swMsg.Format(JSGetStringFromID(IDS_STRING_JSRANGE3).c_str(),
-                   params[3].ToWideString(pRuntime).c_str());
+                   pRuntime->ToWideString(params[3].ToV8Value()).c_str());
   }
 
   if (!swMsg.IsEmpty()) {
@@ -1806,7 +1818,7 @@
     return false;
   }
 
-  WideString str = params[0].ToWideString(pRuntime);
+  WideString str = pRuntime->ToWideString(params[0].ToV8Value());
   if (str.GetLength() > 0 && (str[0] == L'.' || str[0] == L','))
     str = L"0" + str;
 
@@ -1827,10 +1839,14 @@
     nums.SetElement(pRuntime, nIndex,
                     CJS_Value(pRuntime->NewString(sPart.c_str())));
 
-  if (nums.GetLength(pRuntime) > 0)
-    vRet = CJS_Value(nums.ToV8Array(pRuntime));
-  else
+  if (nums.GetLength(pRuntime) > 0) {
+    if (nums.ToV8Value().IsEmpty())
+      vRet = CJS_Value(pRuntime->NewArray());
+    else
+      vRet = CJS_Value(nums.ToV8Value());
+  } else {
     vRet.Set(pRuntime->NewNull());
+  }
 
   return true;
 }
diff --git a/fpdfsdk/javascript/app.cpp b/fpdfsdk/javascript/app.cpp
index 7203c3b..5345d25 100644
--- a/fpdfsdk/javascript/app.cpp
+++ b/fpdfsdk/javascript/app.cpp
@@ -220,10 +220,14 @@
   aDocs.SetElement(
       pRuntime, 0,
       pJSDocument ? CJS_Value(pJSDocument->ToV8Object()) : CJS_Value());
-  if (aDocs.GetLength(pRuntime) > 0)
-    vp->Set(aDocs.ToV8Array(pRuntime));
-  else
+  if (aDocs.GetLength(pRuntime) > 0) {
+    if (aDocs.ToV8Value().IsEmpty())
+      vp->Set(pRuntime->NewArray());
+    else
+      vp->Set(aDocs.ToV8Value());
+  } else {
     vp->Set(pRuntime->NewNull());
+  }
 
   return true;
 }
@@ -244,7 +248,7 @@
 bool app::set_calculate(CJS_Runtime* pRuntime,
                         const CJS_Value& vp,
                         WideString* sError) {
-  m_bCalculate = vp.ToBool(pRuntime);
+  m_bCalculate = pRuntime->ToBoolean(vp.ToV8Value());
   pRuntime->GetFormFillEnv()->GetInterForm()->EnableCalculate(m_bCalculate);
   return true;
 }
@@ -401,34 +405,34 @@
   WideString swMsg;
   if (newParams[0].GetType() == CJS_Value::VT_object) {
     if (newParams[0].IsArrayObject()) {
-      CJS_Array carray = newParams[0].ToArray(pRuntime);
+      CJS_Array carray(pRuntime->ToArray(newParams[0].ToV8Value()));
       swMsg = L"[";
       for (int i = 0; i < carray.GetLength(pRuntime); ++i) {
         if (i)
           swMsg += L", ";
 
         CJS_Value element(carray.GetElement(pRuntime, i));
-        swMsg += element.ToWideString(pRuntime);
+        swMsg += pRuntime->ToWideString(element.ToV8Value());
       }
       swMsg += L"]";
     } else {
-      swMsg = newParams[0].ToWideString(pRuntime);
+      swMsg = pRuntime->ToWideString(newParams[0].ToV8Value());
     }
   } else {
-    swMsg = newParams[0].ToWideString(pRuntime);
+    swMsg = pRuntime->ToWideString(newParams[0].ToV8Value());
   }
 
   int iIcon = 0;
   if (newParams[1].GetType() != CJS_Value::VT_unknown)
-    iIcon = newParams[1].ToInt(pRuntime);
+    iIcon = pRuntime->ToInt32(newParams[1].ToV8Value());
 
   int iType = 0;
   if (newParams[2].GetType() != CJS_Value::VT_unknown)
-    iType = newParams[2].ToInt(pRuntime);
+    iType = pRuntime->ToInt32(newParams[2].ToV8Value());
 
   WideString swTitle;
   if (newParams[3].GetType() != CJS_Value::VT_unknown)
-    swTitle = newParams[3].ToWideString(pRuntime);
+    swTitle = pRuntime->ToWideString(newParams[3].ToV8Value());
   else
     swTitle = JSGetStringFromID(IDS_STRING_JSALERT);
 
@@ -446,7 +450,8 @@
                CJS_Value& vRet,
                WideString& sError) {
   if (params.size() == 1) {
-    pRuntime->GetFormFillEnv()->JS_appBeep(params[0].ToInt(pRuntime));
+    pRuntime->GetFormFillEnv()->JS_appBeep(
+        pRuntime->ToInt32(params[0].ToV8Value()));
     return true;
   }
 
@@ -488,13 +493,14 @@
   }
 
   WideString script =
-      params.size() > 0 ? params[0].ToWideString(pRuntime) : L"";
+      params.size() > 0 ? pRuntime->ToWideString(params[0].ToV8Value()) : L"";
   if (script.IsEmpty()) {
     sError = JSGetStringFromID(IDS_STRING_JSAFNUMBER_KEYSTROKE);
     return true;
   }
 
-  uint32_t dwInterval = params.size() > 1 ? params[1].ToInt(pRuntime) : 1000;
+  uint32_t dwInterval =
+      params.size() > 1 ? pRuntime->ToInt32(params[1].ToV8Value()) : 1000;
 
   GlobalTimer* timerRef = new GlobalTimer(this, pRuntime->GetFormFillEnv(),
                                           pRuntime, 0, script, dwInterval, 0);
@@ -523,13 +529,14 @@
     return false;
   }
 
-  WideString script = params[0].ToWideString(pRuntime);
+  WideString script = pRuntime->ToWideString(params[0].ToV8Value());
   if (script.IsEmpty()) {
     sError = JSGetStringFromID(IDS_STRING_JSAFNUMBER_KEYSTROKE);
     return true;
   }
 
-  uint32_t dwTimeOut = params.size() > 1 ? params[1].ToInt(pRuntime) : 1000;
+  uint32_t dwTimeOut =
+      params.size() > 1 ? pRuntime->ToInt32(params[1].ToV8Value()) : 1000;
   GlobalTimer* timerRef =
       new GlobalTimer(this, pRuntime->GetFormFillEnv(), pRuntime, 1, script,
                       dwTimeOut, dwTimeOut);
@@ -578,11 +585,12 @@
   if (param.GetType() != CJS_Value::VT_object)
     return;
 
-  v8::Local<v8::Object> pObj = param.ToV8Object(pRuntime);
+  v8::Local<v8::Object> pObj = pRuntime->ToObject(param.ToV8Value());
   if (CFXJS_Engine::GetObjDefnID(pObj) != CJS_TimerObj::g_nObjDefnID)
     return;
 
-  CJS_Object* pJSObj = param.ToObject(pRuntime);
+  CJS_Object* pJSObj =
+      static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj));
   if (!pJSObj)
     return;
 
@@ -648,11 +656,11 @@
     sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR);
     return false;
   }
-  bool bUI = newParams[0].ToBool(pRuntime);
+  bool bUI = pRuntime->ToBoolean(newParams[0].ToV8Value());
 
   WideString cTo;
   if (newParams[1].GetType() != CJS_Value::VT_unknown) {
-    cTo = newParams[1].ToWideString(pRuntime);
+    cTo = pRuntime->ToWideString(newParams[1].ToV8Value());
   } else {
     if (!bUI) {
       // cTo parameter required when UI not invoked.
@@ -663,19 +671,19 @@
 
   WideString cCc;
   if (newParams[2].GetType() != CJS_Value::VT_unknown)
-    cCc = newParams[2].ToWideString(pRuntime);
+    cCc = pRuntime->ToWideString(newParams[2].ToV8Value());
 
   WideString cBcc;
   if (newParams[3].GetType() != CJS_Value::VT_unknown)
-    cBcc = newParams[3].ToWideString(pRuntime);
+    cBcc = pRuntime->ToWideString(newParams[3].ToV8Value());
 
   WideString cSubject;
   if (newParams[4].GetType() != CJS_Value::VT_unknown)
-    cSubject = newParams[4].ToWideString(pRuntime);
+    cSubject = pRuntime->ToWideString(newParams[4].ToV8Value());
 
   WideString cMsg;
   if (newParams[5].GetType() != CJS_Value::VT_unknown)
-    cMsg = newParams[5].ToWideString(pRuntime);
+    cMsg = pRuntime->ToWideString(newParams[5].ToV8Value());
 
   pRuntime->BeginBlock();
   pRuntime->GetFormFillEnv()->JS_docmailForm(nullptr, 0, bUI, cTo.c_str(),
@@ -703,7 +711,7 @@
 bool app::set_runtime_highlight(CJS_Runtime* pRuntime,
                                 const CJS_Value& vp,
                                 WideString* sError) {
-  m_bRuntimeHighLight = vp.ToBool(pRuntime);
+  m_bRuntimeHighLight = pRuntime->ToBoolean(vp.ToV8Value());
   return true;
 }
 
@@ -769,23 +777,23 @@
     sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR);
     return false;
   }
-  WideString swQuestion = newParams[0].ToWideString(pRuntime);
+  WideString swQuestion = pRuntime->ToWideString(newParams[0].ToV8Value());
 
   WideString swTitle = L"PDF";
   if (newParams[1].GetType() != CJS_Value::VT_unknown)
-    swTitle = newParams[1].ToWideString(pRuntime);
+    swTitle = pRuntime->ToWideString(newParams[1].ToV8Value());
 
   WideString swDefault;
   if (newParams[2].GetType() != CJS_Value::VT_unknown)
-    swDefault = newParams[2].ToWideString(pRuntime);
+    swDefault = pRuntime->ToWideString(newParams[2].ToV8Value());
 
   bool bPassword = false;
   if (newParams[3].GetType() != CJS_Value::VT_unknown)
-    bPassword = newParams[3].ToBool(pRuntime);
+    bPassword = pRuntime->ToBoolean(newParams[3].ToV8Value());
 
   WideString swLabel;
   if (newParams[4].GetType() != CJS_Value::VT_unknown)
-    swLabel = newParams[4].ToWideString(pRuntime);
+    swLabel = pRuntime->ToWideString(newParams[4].ToV8Value());
 
   const int MAX_INPUT_BYTES = 2048;
   std::vector<uint8_t> pBuff(MAX_INPUT_BYTES + 2);
diff --git a/fpdfsdk/javascript/color.cpp b/fpdfsdk/javascript/color.cpp
index e730c31..56baa59 100644
--- a/fpdfsdk/javascript/color.cpp
+++ b/fpdfsdk/javascript/color.cpp
@@ -82,32 +82,41 @@
   if (nArrayLen < 1)
     return CFX_Color();
 
-  ByteString sSpace = array.GetElement(pRuntime, 0).ToByteString(pRuntime);
-  if (sSpace == "T")
+  WideString sSpace =
+      pRuntime->ToWideString(array.GetElement(pRuntime, 0).ToV8Value());
+  if (sSpace == L"T")
     return CFX_Color(CFX_Color::kTransparent);
 
   float d1 = 0;
-  if (nArrayLen > 1)
-    d1 = array.GetElement(pRuntime, 1).ToFloat(pRuntime);
+  if (nArrayLen > 1) {
+    d1 = static_cast<float>(
+        pRuntime->ToDouble(array.GetElement(pRuntime, 1).ToV8Value()));
+  }
 
-  if (sSpace == "G")
+  if (sSpace == L"G")
     return CFX_Color(CFX_Color::kGray, d1);
 
   float d2 = 0;
   float d3 = 0;
-  if (nArrayLen > 2)
-    d2 = array.GetElement(pRuntime, 2).ToFloat(pRuntime);
-  if (nArrayLen > 3)
-    d3 = array.GetElement(pRuntime, 3).ToFloat(pRuntime);
+  if (nArrayLen > 2) {
+    d2 = static_cast<float>(
+        pRuntime->ToDouble(array.GetElement(pRuntime, 2).ToV8Value()));
+  }
+  if (nArrayLen > 3) {
+    d3 = static_cast<float>(
+        pRuntime->ToDouble(array.GetElement(pRuntime, 3).ToV8Value()));
+  }
 
-  if (sSpace == "RGB")
+  if (sSpace == L"RGB")
     return CFX_Color(CFX_Color::kRGB, d1, d2, d3);
 
   float d4 = 0;
-  if (nArrayLen > 4)
-    d4 = array.GetElement(pRuntime, 4).ToFloat(pRuntime);
+  if (nArrayLen > 4) {
+    d4 = static_cast<float>(
+        pRuntime->ToDouble(array.GetElement(pRuntime, 4).ToV8Value()));
+  }
 
-  if (sSpace == "CMYK")
+  if (sSpace == L"CMYK")
     return CFX_Color(CFX_Color::kCMYK, d1, d2, d3, d4);
 
   return CFX_Color();
@@ -269,7 +278,11 @@
 bool color::GetPropertyHelper(CJS_Runtime* pRuntime,
                               CJS_Value* vp,
                               CFX_Color* var) {
-  vp->Set(ConvertPWLColorToArray(pRuntime, *var).ToV8Array(pRuntime));
+  CJS_Array array = ConvertPWLColorToArray(pRuntime, *var);
+  if (array.ToV8Value().IsEmpty())
+    vp->Set(pRuntime->NewArray());
+  else
+    vp->Set(array.ToV8Value());
   return true;
 }
 
@@ -279,7 +292,8 @@
   if (!vp.IsArrayObject())
     return false;
 
-  *var = ConvertArrayToPWLColor(pRuntime, vp.ToArray(pRuntime));
+  *var = ConvertArrayToPWLColor(pRuntime,
+                                CJS_Array(pRuntime->ToArray(vp.ToV8Value())));
   return true;
 }
 
@@ -290,27 +304,29 @@
   int iSize = params.size();
   if (iSize < 2)
     return false;
-
   if (!params[0].IsArrayObject())
     return false;
 
-
-  ByteString sDestSpace = params[1].ToByteString(pRuntime);
+  WideString sDestSpace = pRuntime->ToWideString(params[1].ToV8Value());
   int nColorType = CFX_Color::kTransparent;
-  if (sDestSpace == "T")
+  if (sDestSpace == L"T")
     nColorType = CFX_Color::kTransparent;
-  else if (sDestSpace == "G")
+  else if (sDestSpace == L"G")
     nColorType = CFX_Color::kGray;
-  else if (sDestSpace == "RGB")
+  else if (sDestSpace == L"RGB")
     nColorType = CFX_Color::kRGB;
-  else if (sDestSpace == "CMYK")
+  else if (sDestSpace == L"CMYK")
     nColorType = CFX_Color::kCMYK;
 
-  CFX_Color color =
-      ConvertArrayToPWLColor(pRuntime, params[0].ToArray(pRuntime));
-  vRet = CJS_Value(
-      ConvertPWLColorToArray(pRuntime, color.ConvertColorType(nColorType))
-          .ToV8Array(pRuntime));
+  CFX_Color color = ConvertArrayToPWLColor(
+      pRuntime, CJS_Array(pRuntime->ToArray(params[0].ToV8Value())));
+
+  CJS_Array array =
+      ConvertPWLColorToArray(pRuntime, color.ConvertColorType(nColorType));
+  if (array.ToV8Value().IsEmpty())
+    vRet = CJS_Value(pRuntime->NewArray());
+  else
+    vRet = CJS_Value(array.ToV8Value());
 
   return true;
 }
@@ -324,10 +340,10 @@
   if (!params[0].IsArrayObject() || !params[1].IsArrayObject())
     return false;
 
-  CFX_Color color1 =
-      ConvertArrayToPWLColor(pRuntime, params[0].ToArray(pRuntime));
-  CFX_Color color2 =
-      ConvertArrayToPWLColor(pRuntime, params[1].ToArray(pRuntime));
+  CFX_Color color1 = ConvertArrayToPWLColor(
+      pRuntime, CJS_Array(pRuntime->ToArray(params[0].ToV8Value())));
+  CFX_Color color2 = ConvertArrayToPWLColor(
+      pRuntime, CJS_Array(pRuntime->ToArray(params[1].ToV8Value())));
 
   color1 = color1.ConvertColorType(color2.nColorType);
   vRet = CJS_Value(pRuntime->NewBoolean(color1 == color2));
diff --git a/fpdfsdk/javascript/event.cpp b/fpdfsdk/javascript/event.cpp
index 361afa8..337ce40 100644
--- a/fpdfsdk/javascript/event.cpp
+++ b/fpdfsdk/javascript/event.cpp
@@ -63,7 +63,7 @@
 
   if (vp.GetType() == CJS_Value::VT_string) {
     WideString& wChange = pEvent->Change();
-    wChange = vp.ToWideString(pRuntime);
+    wChange = pRuntime->ToWideString(vp.ToV8Value());
   }
   return true;
 }
@@ -174,7 +174,7 @@
                    WideString* sError) {
   CJS_EventHandler* pEvent =
       pRuntime->GetCurrentEventContext()->GetEventHandler();
-  pEvent->Rc() = vp.ToBool(pRuntime);
+  pEvent->Rc() = pRuntime->ToBoolean(vp.ToV8Value());
   return true;
 }
 
@@ -236,7 +236,7 @@
   if (wcscmp((const wchar_t*)pEvent->Name(), L"Keystroke") != 0)
     return true;
 
-  pEvent->SelEnd() = vp.ToInt(pRuntime);
+  pEvent->SelEnd() = pRuntime->ToInt32(vp.ToV8Value());
   return true;
 }
 
@@ -262,7 +262,7 @@
   if (wcscmp((const wchar_t*)pEvent->Name(), L"Keystroke") != 0)
     return true;
 
-  pEvent->SelStart() = vp.ToInt(pRuntime);
+  pEvent->SelStart() = pRuntime->ToInt32(vp.ToV8Value());
   return true;
 }
 
@@ -367,7 +367,7 @@
   if (!pEvent->m_pValue)
     return false;
 
-  pEvent->Value() = vp.ToWideString(pRuntime);
+  pEvent->Value() = pRuntime->ToWideString(vp.ToV8Value());
   return true;
 }
 
diff --git a/fpdfsdk/javascript/global.cpp b/fpdfsdk/javascript/global.cpp
index a226bb2..f095440 100644
--- a/fpdfsdk/javascript/global.cpp
+++ b/fpdfsdk/javascript/global.cpp
@@ -328,19 +328,20 @@
   switch (vp.GetType()) {
     case CJS_Value::VT_number:
       return SetGlobalVariables(sPropName, JS_GlobalDataType::NUMBER,
-                                vp.ToDouble(pRuntime), false, "",
+                                pRuntime->ToDouble(vp.ToV8Value()), false, "",
                                 v8::Local<v8::Object>(), false);
     case CJS_Value::VT_boolean:
       return SetGlobalVariables(sPropName, JS_GlobalDataType::BOOLEAN, 0,
-                                vp.ToBool(pRuntime), "",
+                                pRuntime->ToBoolean(vp.ToV8Value()), "",
                                 v8::Local<v8::Object>(), false);
     case CJS_Value::VT_string:
-      return SetGlobalVariables(sPropName, JS_GlobalDataType::STRING, 0, false,
-                                vp.ToByteString(pRuntime),
-                                v8::Local<v8::Object>(), false);
+      return SetGlobalVariables(
+          sPropName, JS_GlobalDataType::STRING, 0, false,
+          ByteString::FromUnicode(pRuntime->ToWideString(vp.ToV8Value())),
+          v8::Local<v8::Object>(), false);
     case CJS_Value::VT_object:
       return SetGlobalVariables(sPropName, JS_GlobalDataType::OBJECT, 0, false,
-                                "", vp.ToV8Object(pRuntime), false);
+                                "", pRuntime->ToObject(vp.ToV8Value()), false);
     case CJS_Value::VT_null:
       return SetGlobalVariables(sPropName, JS_GlobalDataType::NULLOBJ, 0, false,
                                 "", v8::Local<v8::Object>(), false);
@@ -361,12 +362,13 @@
     sError = JSGetStringFromID(IDS_STRING_JSPARAMERROR);
     return false;
   }
-  auto it = m_MapGlobal.find(params[0].ToByteString(pRuntime));
+  auto it = m_MapGlobal.find(
+      ByteString::FromUnicode(pRuntime->ToWideString(params[0].ToV8Value())));
   if (it == m_MapGlobal.end() || it->second->bDeleted) {
     sError = JSGetStringFromID(IDS_STRING_JSNOGLOBAL);
     return false;
   }
-  it->second->bPersistent = params[1].ToBool(pRuntime);
+  it->second->bPersistent = pRuntime->ToBoolean(params[1].ToV8Value());
   return true;
 }
 
@@ -485,7 +487,7 @@
         array.Add(pObjElement);
       } break;
       case CJS_Value::VT_string: {
-        ByteString sValue = CJS_Value(v).ToByteString(pRuntime);
+        ByteString sValue = ByteString::FromUnicode(pRuntime->ToWideString(v));
         CJS_KeyValue* pObjElement = new CJS_KeyValue;
         pObjElement->nType = JS_GlobalDataType::STRING;
         pObjElement->sKey = sKey;
diff --git a/fpdfsdk/javascript/util.cpp b/fpdfsdk/javascript/util.cpp
index 63179c8..96b2c8a 100644
--- a/fpdfsdk/javascript/util.cpp
+++ b/fpdfsdk/javascript/util.cpp
@@ -81,7 +81,8 @@
   if (iSize < 1)
     return false;
 
-  std::wstring unsafe_fmt_string(params[0].ToWideString(pRuntime).c_str());
+  std::wstring unsafe_fmt_string(
+      pRuntime->ToWideString(params[0].ToV8Value()).c_str());
   std::vector<std::wstring> unsafe_conversion_specifiers;
   int iOffset = 0;
   int iOffend = 0;
@@ -114,15 +115,17 @@
     WideString strSegment;
     switch (ParseDataType(&c_strFormat)) {
       case UTIL_INT:
-        strSegment.Format(c_strFormat.c_str(), params[iIndex].ToInt(pRuntime));
+        strSegment.Format(c_strFormat.c_str(),
+                          pRuntime->ToInt32(params[iIndex].ToV8Value()));
         break;
       case UTIL_DOUBLE:
         strSegment.Format(c_strFormat.c_str(),
-                          params[iIndex].ToDouble(pRuntime));
+                          pRuntime->ToDouble(params[iIndex].ToV8Value()));
         break;
       case UTIL_STRING:
-        strSegment.Format(c_strFormat.c_str(),
-                          params[iIndex].ToWideString(pRuntime).c_str());
+        strSegment.Format(
+            c_strFormat.c_str(),
+            pRuntime->ToWideString(params[iIndex].ToV8Value()).c_str());
         break;
       default:
         strSegment.Format(L"%ls", c_strFormat.c_str());
@@ -151,7 +154,9 @@
     return false;
   }
 
-  CJS_Date jsDate = p2.ToDate();
+  ASSERT(p2.IsDateObject());
+  v8::Local<v8::Value> mutable_value = p2.ToV8Value();
+  CJS_Date jsDate(mutable_value.As<v8::Date>());
   if (!jsDate.IsValidDate(pRuntime)) {
     sError = JSGetStringFromID(IDS_STRING_JSPRINT2);
     return false;
@@ -159,7 +164,7 @@
 
   if (p1.GetType() == CJS_Value::VT_number) {
     WideString swResult;
-    switch (p1.ToInt(pRuntime)) {
+    switch (pRuntime->ToInt32(p1.ToV8Value())) {
       case 0:
         swResult.Format(L"D:%04d%02d%02d%02d%02d%02d", jsDate.GetYear(pRuntime),
                         jsDate.GetMonth(pRuntime) + 1, jsDate.GetDay(pRuntime),
@@ -190,14 +195,15 @@
   }
 
   if (p1.GetType() == CJS_Value::VT_string) {
-    if (iSize > 2 && params[2].ToBool(pRuntime)) {
+    if (iSize > 2 && pRuntime->ToBoolean(params[2].ToV8Value())) {
       sError = JSGetStringFromID(IDS_STRING_JSNOTSUPPORT);
       return false;  // currently, it doesn't support XFAPicture.
     }
 
     // Convert PDF-style format specifiers to wcsftime specifiers. Remove any
     // pre-existing %-directives before inserting our own.
-    std::basic_string<wchar_t> cFormat = p1.ToWideString(pRuntime).c_str();
+    std::basic_string<wchar_t> cFormat =
+        pRuntime->ToWideString(p1.ToV8Value()).c_str();
     cFormat.erase(std::remove(cFormat.begin(), cFormat.end(), '%'),
                   cFormat.end());
 
@@ -276,9 +282,10 @@
     return false;
   }
 
-  vRet = CJS_Value(pRuntime->NewString(
-      printx(params[0].ToWideString(pRuntime), params[1].ToWideString(pRuntime))
-          .c_str()));
+  vRet = CJS_Value(
+      pRuntime->NewString(printx(pRuntime->ToWideString(params[0].ToV8Value()),
+                                 pRuntime->ToWideString(params[1].ToV8Value()))
+                              .c_str()));
 
   return true;
 }
@@ -388,15 +395,15 @@
   if (params.size() < 2)
     return false;
 
-  WideString sFormat = params[0].ToWideString(pRuntime);
-  WideString sDate = params[1].ToWideString(pRuntime);
+  WideString sFormat = pRuntime->ToWideString(params[0].ToV8Value());
+  WideString sDate = pRuntime->ToWideString(params[1].ToV8Value());
   double dDate = JS_GetDateTime();
   if (sDate.GetLength() > 0) {
     dDate = CJS_PublicMethods::MakeRegularDate(sDate, sFormat, nullptr);
   }
 
   if (!std::isnan(dDate)) {
-    vRet = CJS_Value(CJS_Date(pRuntime, dDate).ToV8Date());
+    vRet = CJS_Value(CJS_Date(pRuntime, dDate).ToV8Value());
   } else {
     vRet.Set(pRuntime->NewNull());
   }
@@ -413,7 +420,7 @@
     return false;
   }
 
-  int arg = params[0].ToInt(pRuntime);
+  int arg = pRuntime->ToInt32(params[0].ToV8Value());
   if (arg < 0 || arg > 255) {
     sError = JSGetStringFromID(IDS_STRING_JSVALUEERROR);
     return false;