WebKit2.UserContentManager::script-message-received

connect('script-message-received', function (userContentManager, js_result: WebKit2.JavascriptResult, ): void);

This signal is emitted when JavaScript in a web view calls <code>window.webkit.messageHandlers.&lt;name&gt;.postMessage()</code>, after registering <code>&lt;name&gt;</code> using WebKit2.UserContentManager.prototype.register_script_message_handler

Since 2.8

userContentManager

instance of WebKit2.UserContentManager that is emitting the signal

js_result

the WebKit2.JavascriptResult holding the value received from the JavaScript world.