public/javascripts/jquery-ui/development-bundle/demos/resizable/constrain-area.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI Resizable - Constrain resize area</title>
<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
<script src="../../jquery-1.7.2.js"></script>
<script src="../../ui/jquery.ui.core.js"></script>
<script src="../../ui/jquery.ui.widget.js"></script>
<script src="../../ui/jquery.ui.mouse.js"></script>
<script src="../../ui/jquery.ui.resizable.js"></script>
<link rel="stylesheet" href="../demos.css">
<style>
#container { width: 300px; height: 300px; }
#container h3 { text-align: center; margin: 0; margin-bottom: 10px; }
#resizable { background-position: top left; width: 150px; height: 150px; }
#resizable, #container { padding: 0.5em; }
</style>
<script>
$(function() {
$( "#resizable" ).resizable({
containment: "#container"
});
});
</script>
</head>
<body>
<div class="demo">
<div id="container" class="ui-widget-content">
<h3 class="ui-widget-header">Containment</h3>
<div id="resizable" class="ui-state-active">
<h3 class="ui-widget-header">Resizable</h3>
</div>
</div>
</div><!-- End demo -->
<div class="demo-description">
<p>Define the boundaries of the resizable area. Use the <code>containment</code> option to specify a parent DOM element or a jQuery selector, like 'document.'</p>
</div><!-- End demo-description -->
</body>
</html>