​x
 
<!DOCTYPE html>
<html>
<body>
​
<h3>如何访问 ABBR 元素的演示</h3>
​
<p>The <abbr id="myAbbr" title="World Health Organization">WHO</abbr> was founded in 1948.</p>
​
<p>单击按钮可获取“WHO”的缩写。</p>
​
<button onclick="myFunction()">试一试</button>
​
<p id="demo"></p>
​
<script>
function myFunction() {
  var x = document.getElementById("myAbbr").title;
  document.getElementById("demo").innerHTML = x;
}
</script>
​
</body>
</html>
​