<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI 缩放（Resizable） - 文本框</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>
.ui-resizable-se {
bottom: 17px;
}
</style>
<script>
$(function() {
$( "#resizable" ).resizable({
handles: "se"
});
});
</script>
</head>
<body>
<textarea id="resizable" rows="5" cols="20"></textarea>
</body>
</html>