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<!DOCTYPE html>
<html>
<head>
<base id="myBase" href="/jsref/">
</head>
<body>
​
<a href="default.asp">Default</a>
​
<p>Click the button to change the value of the href attribute of the base element.</p>
​
<p>Try the link before and after you click the button.</p>
​
<button onclick="myFunction()">Try it</button>
​
<p id="demo"></p>
​
<script>
function myFunction() {
  document.getElementById("myBase").href = "../html/index.html";
  document.getElementById("demo").innerHTML = "Base URL was changed from /jsref/ to /html/.";
}
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_base_href2 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:17:09 GMT -->
</html>
​
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