What is increment (++) operator in JavaScript?


The increment operator increases an integer value by one. Here’s an example where the value of a is incremented twice using the increment operator twice

Example

Live Demo

<html>
   <body>
      <script>
         var a = 33;
         a = ++a;
         document.write("++a = ");
         result = ++a;
         document.write(result);
      </script>
   </body>
</html>

Updated on: 15-Jun-2020

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