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How to format a float in JavaScript?

To format a float in JavaScript, use the Math.round() function. You can try to run the following code to round of a float −

Example

<!DOCTYPE html>
<html>
   <body>
      <script>
         var val1 = 0.55843424;
         var res = Math.round(val1*100)/100;
         document.write(res);
      </script>
   </body>
</html>