设置节点属性 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
    <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
    <title>Document</title>
    <script>
        window.onload=function()
        {
            //获取节点属性
            var lalala=document.getElementById("lalala")
            alert(lalala.getAttribute("class")); //弹出class里面的内容

            //删除节点属性
            lalala.removeAttribute("title");   //删除了title属性

            //设置节点属性
            lalala.setAttribute("class" ,"aaa"); //把类名改为aaa
            lalala.setAttribute("id" ,"hhh"); //把id改为hhh
        }
    </script>
</head>
<body>
    <div class="hhh" id="lalala" title=""></div>
</body>
</html>

　　

posted @ 2019-07-19 19:14  shanlu  阅读(440)  评论(0)    收藏  举报