Change the query string of a link:
document.getElementById("myAnchor").search = "somenewsearchvalue";
Click the button to change the query string part of the link.
<!DOCTYPE html> <html> <body> <p><a id="myAnchor" target="_blank" href="http://www.java2s.com:80/test.htm?id=searchWord">Example link</a></p> <button onclick="myFunction()">Test</button> <p id="demo"></p> <script> function myFunction() {//w w w .j a v a 2 s . com document.getElementById("myAnchor").search = "newValue"; document.getElementById("demo").innerHTML = "The query string was changed"; } </script> </body> </html>