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  • 获取节点的几种小案例

    <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
    <html>
    <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
    <title>Insert title here</title>
    <script type="text/javascript">
    window.onload=function(){
    var bjNode = document.getElementById("bj")
    alert(bjNode);

    var liNode = document.getElementsByTagName("li");
    alert(liNode.length);

    var cityNode = document.getElementById("city");
    var cityLiNode = document.getElementsByTagName("li");
    alert(cityLiNode.length)

    var genderNode = document.getElementsByName("gender");
    alert(genderNode.length);

    var bjjNode = document.getElementsByName("beijing");
    alert(bjjNode.length);
    }
    </script>
    </head>
    <body>
    <p>你会选择哪个城市?</p>
    <ul id="city">
    <li id="bj" name="beijing">北京</li>
    <li>上海</li>
    </ul>
    <br></br>
    <p>游戏?</p>
    <ul id="game">
    <li id="rl">斗地主</li>
    <li>麻将</li>
    <br><br>
    sex:
    <input type="radio" name="gender" value="man"/>Man
    <input type="radio" name="gender" value="women"/>Women
    </body>
    </html>

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  • 原文地址:https://www.cnblogs.com/caocx/p/5901107.html
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