<html>
<head>
<title>jquery监听input text内容的变化,兼容多种浏览器</title>
</head>
<body>
<span id="content">neirong</span>
<div>
<input type="yonghuming" id="yonghuming"/>
<script>$('#yonghuming').bind('input propertychange', function() {
$('#content').html('共有'+$(this).val().length + ' 个字符');
});</script>
</body>
</html>
