charAt String JavaScript

The JavaScript string charAt() method retrieves the char value present at the specified index. If n is the size of the string then index can be from 0 to n-1.

Syntax:

String.charAt(index)

Parameters:
index: It represents the specified position of a character.

Return:
Char value present at the specified index.

Example 1:

<!DOCTYPE html>
<html>
<body>
<script>  
var hello ="HELLO WORLD!";  
document.writeln(hello.charAt(11));  
</script>
</body>
</html>

Output:

Example 2:

<!DOCTYPE html>
<html>
<body>
<script>  
 
var stringObj = 'Best tutorial wesite';
document.write("The character at index 0   is " + stringObj.charAt()); 
document.write("<br>");
document.write("The character at index 0   is " + stringObj.charAt(0));
document.write("<br>");
document.write("The character at index 1   is " + stringObj.charAt(1));
document.write("<br>");
document.write("The character at index 2   is " + stringObj.charAt(2));
document.write("<br>");
document.write("The character at index 100 is " + stringObj.charAt(100));
</script>
</body>
</html>

Output:

The character at index 0 is B
The character at index 0 is B
The character at index 1 is e
The character at index 2 is s
The character at index 100 is

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