tryjsref_legend_get 在线代码实例

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<!DOCTYPE html>
<html>
<body>
<h3>访问 LEGEND 元素</h3>
<fieldset>
  <legend id="myLegend">Personalia:</legend>
  用户名： <input type="text">
</fieldset>
<p>点击按钮获取 legend 元素的文本。</p>
<p id="demo"></p>
<button onclick="myFunction()">尝试一下</button>
<script>
function myFunction()
{
var x = document.getElementById("myLegend").textContent;
document.getElementById("demo").innerHTML = x;
};
</script>
<p><strong>注意：</strong>Internet Explorer 8 及其之前的文本不支持 textContent 属性。</p>
</body>
</html>
 
 
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运行结果
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