Hi all. WebViewExtras is my latest library. It's a much updated version of JSInterface. WebViewExtras exposes more of the available native Android WebView methods to your B4A application: addJavascriptInterface(webView1 As WebView, interfaceName As String) Add a javascript interface to...
www.b4x.com
Add a javascriptinterface and add javascript to raise the event when it is clicked.
I can´t help with the needed javascript as HTML and Javascript is not my strong side.
technically, the answer is yes. if the webpage is yours, it's simple (as desribed by @DonManfred). if the webpage is not yours, then things range from less easy to not possible. you need to clarify fully.