<html>
<head>
<script>
function changeLink()
{
document.getElementById('myAnchor').innerHTML="W3Schools more more more";
document.getElementById('myAnchor').href="http://www.w3schools.com";
document.getElementById('myAnchor').target="_blank";
}
</script>
</head>
<body>
<a id="myAnchor" href="http://www.microsoft.com">Microsoft</a>
<input type="button" onclick="changeLink()" value="Change link">
</body>
</html>
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