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<html> <head> <script> function changeLink() { document.getElementById('myAnchor').innerHTML="W3Schools"; 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>