​x
 
<!DOCTYPE html>
<html>
<body>
​
<h3>演示如何访问 LABEL 元素</h3>
​
<label id="myLabel" for="male">Male</label>
<input type="radio" name="sex" id="male" value="male"><br>
​
<p>点击按钮来获得 label 所绑定元素的 id。</p>
​
<p id="demo"></p>
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<button onclick="myFunction()">试一下</button>
​
<script>
function myFunction()
{
var x = document.getElementById("myLabel").htmlFor;
document.getElementById("demo").innerHTML = x;
}
</script>
​
</body>
</html>
​