diff --git a/example/lib/main.dart b/example/lib/main.dart
index 4b7ea32e..c405eb20 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -119,7 +119,7 @@ class _HtmlEditorExampleState extends State<HtmlEditorExample> {
                   debugPrint('enter/return pressed');
                 }, onFocus: () {
                   debugPrint('editor focused');
-                }, onBlur: () {
+                }, onUnFocus: () {
                   debugPrint('editor unfocused');
                 }, onBlurCodeview: () {
                   debugPrint('codeview either focused or unfocused');
@@ -207,7 +207,7 @@ class _HtmlEditorExampleState extends State<HtmlEditorExample> {
                               Theme.of(context).colorScheme.secondary),
                       onPressed: () async {
                         var txt = await controller.getText();
-                        if (txt.contains('src=\"data:')) {
+                        if (txt.contains('src=\\"data:')) {
                           txt =
                               '<text removed due to base-64 data, displaying the text could cause the app to crash>';
                         }
diff --git a/lib/src/widgets/html_editor_widget_mobile.dart b/lib/src/widgets/html_editor_widget_mobile.dart
index b0c2b15a..e957d048 100644
--- a/lib/src/widgets/html_editor_widget_mobile.dart
+++ b/lib/src/widgets/html_editor_widget_mobile.dart
@@ -601,10 +601,10 @@ class _HtmlEditorWidgetMobileState extends State<HtmlEditorWidget> {
           });
         """);
     }
-    if (c.onBlur != null) {
+    if (c.onUnFocus != null) {
       widget.controller.editorController!.evaluateJavascript(source: """
           \$('#summernote-2').on('summernote.blur', function() {
-            window.flutter_inappwebview.callHandler('onBlur', 'fired');
+            window.flutter_inappwebview.callHandler('onUnFocus', 'fired');
           });
         """);
     }
@@ -697,11 +697,11 @@ class _HtmlEditorWidgetMobileState extends State<HtmlEditorWidget> {
             c.onFocus!.call();
           });
     }
-    if (c.onBlur != null) {
+    if (c.onUnFocus != null) {
       widget.controller.editorController!.addJavaScriptHandler(
-          handlerName: 'onBlur',
+          handlerName: 'onUnFocus',
           callback: (_) {
-            c.onBlur!.call();
+            c.onUnFocus!.call();
           });
     }
     if (c.onBlurCodeview != null) {
diff --git a/lib/src/widgets/html_editor_widget_web.dart b/lib/src/widgets/html_editor_widget_web.dart
index af5279b5..358169e3 100644
--- a/lib/src/widgets/html_editor_widget_web.dart
+++ b/lib/src/widgets/html_editor_widget_web.dart
@@ -2,7 +2,6 @@ export 'dart:html';
 
 import 'dart:async';
 import 'dart:convert';
-import 'dart:html';
 
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -64,8 +63,8 @@ class _HtmlEditorWidgetWebState extends State<HtmlEditorWidget> {
 
   final _jsonEncoder = const JsonEncoder();
 
-  StreamSubscription<MessageEvent>? _editorJSListener;
-  StreamSubscription<MessageEvent>? _summernoteOnLoadListener;
+  StreamSubscription<html.MessageEvent>? _editorJSListener;
+  StreamSubscription<html.MessageEvent>? _summernoteOnLoadListener;
   static const String _summernoteLoadedMessage = '_HtmlEditorWidgetWebState::summernoteLoaded';
   final _focusNode = FocusNode();
 
@@ -719,10 +718,10 @@ class _HtmlEditorWidgetWebState extends State<HtmlEditorWidget> {
           });\n
         """;
     }
-    if (c.onBlur != null) {
+    if (c.onUnFocus != null) {
       callbacks =
           """$callbacks          \$('#summernote-2').on('summernote.blur', function() {
-            window.parent.postMessage(JSON.stringify({"view": "$createdViewId", "type": "toDart: onBlur"}), "*");
+            window.parent.postMessage(JSON.stringify({"view": "$createdViewId", "type": "toDart: onUnFocus"}), "*");
           });\n
         """;
     }
@@ -819,8 +818,8 @@ class _HtmlEditorWidgetWebState extends State<HtmlEditorWidget> {
           _focusNode.requestFocus();
           c.onFocus!.call();
         }
-        if (data['type'].contains('onBlur')) {
-          c.onBlur!.call();
+        if (data['type'].contains('onUnFocus')) {
+          c.onUnFocus!.call();
         }
         if (data['type'].contains('onBlurCodeview')) {
           c.onBlurCodeview!.call();
diff --git a/lib/utils/callbacks.dart b/lib/utils/callbacks.dart
index 186642cf..436d6305 100644
--- a/lib/utils/callbacks.dart
+++ b/lib/utils/callbacks.dart
@@ -12,7 +12,7 @@ class Callbacks {
     this.onDialogShown,
     this.onEnter,
     this.onFocus,
-    this.onBlur,
+    this.onUnFocus,
     this.onBlurCodeview,
     this.onImageLinkInsert,
     this.onImageUpload,
@@ -92,7 +92,7 @@ class Callbacks {
   /// the webview or dismissing the keyboard does not trigger this callback.
   /// This callback will only be triggered if the user taps on an empty space
   /// in the toolbar or switches the view mode of the editor.
-  void Function()? onBlur;
+  void Function()? onUnFocus;
 
   /// Called whenever the code view either gains or loses focus (the Summernote
   /// docs say this will only be called when the code view loses focus but