<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 缩放（Resizable） - 限制缩放区域</title>
<link rel="stylesheet" href="https://libs.baidu.com/jqueryui/1.10.4/css/jquery-ui.min.css">
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script src="https://libs.baidu.com/jqueryui/1.10.4/jquery-ui.min.js"></script>
<link rel="stylesheet" href="/demo/jqueryui/style.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 id="container" class="ui-widget-content">
<h3 class="ui-widget-header">限制</h3>
<div id="resizable" class="ui-state-active">
<h3 class="ui-widget-header">缩放（Resizable）</h3>
</div>
</div>
</body>
</html>