Syntax error How to disable browser's back button with JavaScript?

How to disable browser's back button with JavaScript?



To disable web browsers’ back button, try to run the following code. This is the code for current HTML page,

Example

<html>
   <head>
      <title>Disable Browser Back Button</title>
      <script src = "http://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
      <script src = "http://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
   </head>
   
   <body>
      <a href = "newpage.html">Next Page</a>
   </body>
   <script>
      $(document).ready(function() {
         function disablePrev() { window.history.forward() }
         window.onload = disablePrev();
         window.onpageshow = function(evt) { if (evt.persisted) disableBack() }
      });
   </script>
</html>

The following is the code for newpage.html,

<html>
   <body>
      Go to back page using web browser back button.
   </body>
</html>a
Updated on: 2020-01-24T10:16:08+05:30

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