Computer >> Computer tutorials >  >> Programming >> Javascript

How do I replace a character at a particular index in JavaScript?

To replace a character at a particular index in JavaScript, you can try to run the following code

Example

<html>
   <head>
      <title>JavaScript Boolean</title>
   </head>

   <body>
      <script>
         var str = "cric";
         document.write("Original String: "+str);
         var index = 3;
         str = str.substr(0, index) + 'x' + str.substr(index + 1);
         document.write("<br>New String: "+str);
      </script>
   </body>
</html>