Ext.js - Basic Alert Box

This is the simplest alert box just to show some information on some event.

Syntax

Following is a simple syntax for basic alert box.

Ext.Msg.alert('Title', 'Basic message box in ExtJS');

Example

Following is a simple example showing the usage.

Live Demo

<!DOCTYPE html>
<html>
   <head>
      <link href = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/classic/theme-classic/resources/theme-classic-all.css" 
         rel = "stylesheet" />
      
      <script type = "text/javascript" 
         src = "https://cdnjs.cloudflare.com/ajax/libs/extjs/6.0.0/ext-all.js"></script>
      <script type = "text/javascript">
         Ext.onReady(function() {
            Ext.create('Ext.Button', {
               renderTo: Ext.getElementById('msgBox'),
               text: 'Click Me',
               listeners: {
                  click: function() {
                     Ext.Msg.alert('Title', 'Basic message box in ExtJS');
                  }
               }
            });
         });
      </script>
   </head>
   
   <body>
      <p> Click the button for alert box </p>
      <div id = "msgBox" ></div>
   </body>
</html>

The above program will produce the following result −

extjs_components.htm