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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/"; document.getElementById("demo").innerHTML = "Base URL was changed from /jsref/ to /html/."; } </script> </body> </html>
