<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>jQuery UI Resizable - Helper</title> <link rel="stylesheet" href="../../themes/base/all.css"> <script src="../../external/jquery/jquery.js"></script> <script src="../../ui/core.js"></script> <script src="../../ui/widget.js"></script> <script src="../../ui/mouse.js"></script> <script src="../../ui/resizable.js"></script> <link rel="stylesheet" href="../demos.css"> <style> #resizable { width: 150px; height: 150px; padding: 0.5em; } #resizable h3 { text-align: center; margin: 0; } .ui-resizable-helper { border: 2px dotted #00F; } </style> <script> $(function() { $( "#resizable" ).resizable({ helper: "ui-resizable-helper" }); }); </script> </head> <body> <div id="resizable" class="ui-widget-content"> <h3 class="ui-widget-header">Helper</h3> </div> <div class="demo-description"> <p>Display only an outline of the element while resizing by setting the <code>helper</code> option to a CSS class.</p> </div> </body> </html>