JavaScript Programming JavaScript > Code Examples Add action to form button Add action to form button <html> <head> <title>Happy Codings :-) JavaScript Code Examples</title> <link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" /> <script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script> <script type="text/javascript" src="ext-3.0.0/ext-all.js"></script> </head> Ext.onReady(function(){ Ext.get('mb1').on('click', function(e){ Ext.MessageBox.confirm('Confirm', 'Are you sure you want to do that?', showResult); }); //Add these values dynamically so they aren't hard-coded in the html Ext.fly('info').dom.value = Ext.MessageBox.INFO; Ext.fly('question').dom.value = Ext.MessageBox.QUESTION; Ext.fly('warning').dom.value = Ext.MessageBox.WARNING; Ext.fly('error').dom.value = Ext.MessageBox.ERROR; function showResult(btn){ Ext.example.msg('Button Click', 'You clicked the {0} button', btn); }; function showResultText(btn, text){ Ext.example.msg('Button Click', 'You clicked the {0} button and entered the text "{1}".', btn, text); }; }); </script> <p> <b>Confirm</b><br /> Standard Yes/No dialog. <button id="mb1">Show</button> </p> </body> </html>