In this article, we will discuss how to write a javascript function which will prevent the user to navigate back to the last or previous page. There are so many ways to stop the browser back button most popular and will work in all conditions. You can add code to the first or previous page to force the browser to go forwards again and again so when the user tries to back to the previous page the browser will take him again in the same.
This can be done by making custom functions like this:
Example 1:
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Code 1: Save this file as Login.html for the first page.
html
<!DOCTYPE html><html><head><title>Blocking Back Buttonusing javascript</title><styletype="text/css">body {font-family:Arial;color:green;}</style><scripttype="text/javascript">window.history.forward();function noBack() {window.history.forward();}</script></head><body><h1>GeeksforGeeks</h2><p>Click here to Goto<ahref="b.html">Link to second page</a></p></body></html> -
Code 2: Save this file as b.html for the second page.
html
<!DOCTYPE html><html><head><title>Blocking Back Buttonusing javascript</title></head><body><h3>This is second page</h3><p>On this page, back buttonfunctionality is disabled.</p></body></html> -
Output:
Example 2:
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Code 1: Save this file as a.html for the first page.
html
<!DOCTYPE html><html><head><title>First Page</title><scripttype="text/javascript">function preventBack() {window.history.forward();}setTimeout("preventBack()", 0);window.onunload = function () { null };</script></head><body><h3>This is first page</h3><hr/><ahref="b.html">Goto second Page</a></body></html> -
Code 2: Save this file as b.html for the second page.
html
<!DOCTYPE html><html><head><title>Second Page</title></head><body><h3>Second Page - Back Buttonis disabled here.</h3><hr/></body></html> -
Output: