tryjsref_fieldset_disabled3 在线代码实例

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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">
        <legend>Personalia:</legend>
        用户名： <input type="text"><br>
        Email： <input type="text"><br>
        出生日期： <input type="text">
    </fieldset>
</form><br>
<button onclick="disableField()">禁用 fieldset</button>
<button onclick="undisableField()">取消禁用 fieldset</button>
<p><b>注意：</b>Internet Explorer 和 Safari 不支持 Fieldset 对象的 disabled 属性。</p>
<script>
function disableField(){
    document.getElementById("myFieldset").disabled=true;
}
function undisableField(){
    document.getElementById("myFieldset").disabled=false;
}
</script>
</body>
</html>
 
 
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运行结果
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