​x
 
<!DOCTYPE html>
<html>
<body>
​
<a id="myAnchor" href="https://www.w3school.com.cn">链接：访问 w3school.com.cn</a>
​
<p id="demo">单击该按钮可从 a 元素中删除 href 属性。</p>
​
<button onclick="myFunction()">试一试</button>
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<script>
function myFunction() {
  document.getElementById("myAnchor").removeAttribute("href"); 
}
</script>
​
</body>
</html>
​