How to return a number indicating the Unicode value of the character?

HTML Javascript Programming Scripts

The charCodeAt() method returns a number indicating the Unicode value of the character at the given index. Unicode code points range from 0 to 1,114,111. The first 128 Unicode code points are a direct match of the ASCII character encoding.

The following parameter is supported by charCodeAt(index) −

index − An integer between 0 and 1 less than the length of the string; if unspecified, defaults to 0.

Example

You can try to run the following code to return a number indicating the Unicode value of the character −

<html>
   <head>
      <title>JavaScript String charCodeAt() Method</title>
   </head>

   <body>
      <script>
         var str = new String( "This is string" );
         document.write("str.charCodeAt(0) is:" + str.charCodeAt(0));
         document.write("<br />str.charCodeAt(1) is:" + str.charCodeAt(1));
         document.write("<br />str.charCodeAt(2) is:" + str.charCodeAt(2));
         document.write("<br />str.charCodeAt(3) is:" + str.charCodeAt(3));
         document.write("<br />str.charCodeAt(4) is:" + str.charCodeAt(4));
         document.write("<br />str.charCodeAt(5) is:" + str.charCodeAt(5));
      </script>
   </body>
</html>

Alankritha Ammu

Updated on: 23-Jun-2020

253 Views

Kickstart Your Career

Get certified by completing the course

Get Started