str.charAt(index)
var str = "Hello World!";
console.log(str.charAt(0)); // Output: H
console.log(str.charAt(6)); // Output: W
console.log(str.charAt(11)); // Output: !
The output of the above code will be:
H
W
!
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>charAt() Method Example</title>
</head>
<body>
<!-- Display area for the output -->
<div id="output"></div>
<script>
// Your JavaScript code
var str = "Hello World!";
// Using charAt() method
var char1 = str.charAt(0);
var char2 = str.charAt(6);
var char3 = str.charAt(11);
// Display the output in the HTML document
document.getElementById('output').innerHTML = `
<p>str.charAt(0): "${char1}"</p>
<p>str.charAt(6): "${char2}"</p>
<p>str.charAt(11): "${char3}"</p>
`;
</script>
</body>
</html>
The charAt() method in JavaScript is used to return the character at a specified index of a given string. The index passed to the method begins from 0 for the first character and can be up to the length of the string minus 1. If the specified index is not within the range of the string, an empty string is returned.
The charAt() method is often used in string manipulation tasks such as:
charAt() method extracts the character at a specified position in a string.The charAt() method in JavaScript extracts the character at the specified index position of a given string, and returns it as a string. This method is useful in string manipulation and checking for specific characters or substrings.