How To Use String Object charCodeAt In Java Script

In this article I am going to explain about String Object charCodeAt In JavaScript.
  • 2065

Use charCodeAt() method in JavaScript

The charCodeAt() method returns Unicode value of the first character at the specified string.

The index will be start 0, like(0,1,2).

All browsers support string object charCodeAt method.

Syntax

string.charCodeAt(index)

Example

<!DOCTYPE html>

<html>

<body style ="background-color:red">

 

<p id="demo">Display the unicode of the first character in a string.</p>

 

<button onclick="myFunction()">Click here</button>

 

<script type="text/javascript">

    function myFunction()

    {

        var str = "Welcome";

        var n = str.charCodeAt(0);

        document.getElementById("demo").innerHTML = n;

    }

</script>

</body>

Output1

 op1.jpg

Output2

 op2.jpg

Further Readings

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