tryjsref_fieldset_get 在线代码实例

实例代码( Tip: 登录后体验更佳 )
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
</head>
<body>
<h3>访问 FIELDSET 元素</h3>
<fieldset id="myFieldset" name="personalia">
    用户名： <input type="text" name="username"><br>
    Email： <input type="text" name="usermail"><br>
</fieldset>
<p>点击按钮禁用 fieldset。</p>
<button onclick="myFunction()">尝试一下</button>
<script>
function myFunction(){
    var x = document.getElementById("myFieldset")
    x.disabled = true;
};
</script>
</body>
</html>
 
 
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运行结果
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