JavaScript 查找元素 查询父节点parentNode

查询父节点parentNode

示例

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<!DOCTYPE html>
<html>
    <head>
        <title>访问元素</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <style>
            .mycolor{
                color:#fff;
                
            }
            .steam{
                text-decoration: initial;
            }
        </style>
    </head>
    <body>
        <ul id="ul">
            <li id="a">油条</li>
            <li id="b" class="steam">包子</li>
            <li id="c" class="steam">米饺</li>
            <li id="d" ><a id="yufen">鱼粉</a></li>
        </ul>
        <script>
            // 查找父节点
            var el = document.getElementById('yufen');
            el.parentNode.className="mycolor";
        </script>
    </body>
</html>
posted @ 2019-07-11 09:42  乱世以外  阅读(1735)  评论(0)  编辑  收藏  举报