June 15, 2020
How to Check If Passwords Match in Javascript
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="style.css">
</head>
<body>
<div>
<input type="password" placeholder="Enter Password" id="pass1">
<input type="password" placeholder="Confirm Password" id="pass2">
<h1>Result</h1>
</div>
<script src="script.js"></script>
</body>
</html>
CSS:
body {
text-align: center;
}
div {
display: inline-block;
}
input {
display: block;
padding: 10px 20px;
margin-top: 10px;
}
Javascript:
let pass1 = document.querySelector('#pass1');
let pass2 = document.querySelector('#pass2');
let result = document.querySelector('h1');
function checkPassword () {
result.innerText = pass1.value == pass2.value ? 'Matching' : 'Not Matching';
}
pass1.addEventListener('keyup', () => {
if (pass2.value.length != 0) checkPassword();
})
pass2.addEventListener('keyup', checkPassword);
In this tutorial, you will learn how to check if passwords match in javascript. You only need such mechanism when a user is about to sign up on your website and it’s a common convention to verify if the password entered by user is actually the one he wants to keep. Because sometimes user’s do make mistakes while entering a password and its not possible for them to verify due to masking of password field.
This simple problem can be solved by 2 solutions. One solution is to provide checkbox next to input field to toggle password visibility. Another solution is to have 2 input fields and match their input values. We are going to cover the latter. HTML, CSS, and Javascript code is given below.
HTML: