代码示例:(标识:htmldom_abbr_get)
<!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>
运行结果: