How to get the length of a Number in JavaScript?

Javascript Web Development Front End Technology

Use the toString() method to covert the Number to string, then the length() method gives you length.

Example

You can try to run the following code to learn how to get the length of a Number −

<!DOCTYPE html>
<html>
   <body>
      <script>
         var num1 = 344;
         var num2 = 149856;

         document.write("Length of number "+num1+" = "+ num1.toString().length);
         document.write("<br>Length of number "+num2+" = "+ num2.toString().length);
      </script>
   </body>
</html>

Output

Length of number 344 = 3
Length of number 149856 = 6

Vrundesha Joshi

Published on 03-Feb-2018 12:46:57

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