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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>atter()和css()的使用</title>
</head>
<body>
<img src="http://imgsrc.baidu.com/forum/w=580/sign=6ade238c064f78f0800b9afb49300a83/6cbb60d0f703918f31df8012543d269758eec47c.jpg" width="200px" alt="人物" title="图片" id="pic" data-nation="奥特曼">
</body>
<script type="text/javascript" src="js/jquery-3.3.1.js"></script>
<script type="text/javascript">
// attr()属性的获取与设置
var res = $('pic').attr('src','http://imgsrc.baidu.com/forum/w=580/sign=6ade238c064f78f0800b9afb49300a83/6cbb60d0f703918f31df8012543d269758eec47c.jpg')
var res = $('pic').attr('style','border-radius:50%;box-shadow:2px 2px 4px #888')
</html>点击 "运行实例" 按钮查看在线实例
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