A visible Webview widget does not mean it is ready.
In particular, during the widget construction process, it can be displayed while it is still initializing.
Once initialized, the Webview widget will throw a Webview.onReady() event.
In particular, during the widget construction process, it can be displayed while it is still initializing.
Once initialized, the Webview widget will throw a Webview.onReady() event.