tryjsref_fieldset_name2 在线代码实例

实例代码( Tip: 登录后体验更佳 )
运行代码

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<form>
    <fieldset id="myFieldset" name="personalia">
        用户名： <input type="text" name="username"><br>
        Email： <input type="text" name="usermail"><br>
    </fieldset>
</form>
<p>点击“尝试一下”按钮返回 fieldset 的名称。</p>
<p id="demo"></p>
<button onclick="myFunction()">尝试一下</button>
<p><b>注意：</b>IE、Safari 和 Opera 12（及其之前的版本）不支持 Fieldset 对象的 name 属性。</p>
<script>
function myFunction(){
    document.getElementById("myFieldset").name="newName";
    document.getElementById("demo").innerHTML="fieldset 元素的 name 属性的值从 \'personalia\' 变为 \'newName\'。";
}
</script>
</body>
</html>
 
 
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运行结果
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