ReferenceTypesClassesWebViewWebViewJavaScriptEventWebViewJavaScriptEventEvent payload for WebView.on_javascript_alert_dialog.Represents a JavaScript alert() dialog request initiated by the loaded page.Inherits: EventPropertiesmessage - The message to be displayed in the window.url - The URL of the page requesting the dialog.Propertiesbuildmessageinstance-attributeCopymessage: strThe message to be displayed in the window.buildurlinstance-attributeCopyurl: strThe URL of the page requesting the dialog.