代码示例:(标识:hdom_base_target)
<html>
<head>
<base id="myBaseId" target="_blank"
href="http://www.sou-xun.com/" />
</head>

<body>

<p>单击按钮以显示 base 元素的 target 属性的值。</p>

<button onclick="myFunction()">试一试</button>

<p id="demo"></p>

<script>
function myFunction() {
  var x = document.getElementById("myBaseId").target;
  document.getElementById("demo").innerHTML = "所有链接的基准目标是:" + x;
}
</script>

</body>
</html>
运行结果: