hasJavaScriptHandler method

@override bool hasJavaScriptHandler({ required String handlerName, })

Returns true if a JavaScript handler with handlerName already exists, otherwise false.

Officially Supported Platforms/Implementations:

• Android native WebView
• iOS
• MacOS
• Windows

Implementation

@override
bool hasJavaScriptHandler({required String handlerName}) {
  return this._javaScriptHandlersMap.containsKey(handlerName);
}