​x
 
<!DOCTYPE html>
<html>
<head>
<link id="myLink" rel="icon" href="/i/logo/icon.png" type="image/gif" sizes="16x16">
</head>
<body>
​
<h2>Hello world!</h2>
​
<p>单击“试一试”按钮可返回 link 元素的 sizes 属性的值。</p>
​
<button onclick="myFunction()">试一试</button>
​
<p id="demo"></p>
​
<script>
function myFunction() {
  var x = document.getElementById("myLink").sizes;
  document.getElementById("demo").innerHTML = x;
}
</script>
​
</body>
</html>
​