Password validation script

 <script>

       var check = function() {

            if (document.getElementById('password').value ==

                document.getElementById('confirm_password').value) {

                    document.getElementById('message').innerHTML = '';

                document.getElementById('submit').disabled = false;

            } else {

                    document.getElementById('message').style.color = 'red';

                document.getElementById('message').innerHTML = 'not matching';

                document.getElementById('submit').disabled = true;

            }

        }

    </script>

<form class="mt-4 pt-2" action="login-auth.php" method="POST">

    <div class="mb-3">

        <label class="form-label">Enter new password</label>

        <input type="text" required id="password" type="password" onkeyup='check();' class="form-control" placeholder="Enter new password" >

    </div>

    <div class="mb-3">

        <label class="form-label">Confirm Password</label>

        <input type="text" required  name="confirm_password" name="confirm_password" id="confirm_password"  onkeyup='check();' class="form-control">

    </div>

    <span id='message'></span>

   

    <div class="mb-3"><br>

        <button class="btn btn-primary w-100 waves-effect waves-light" name="submit" type="submit" id="submit" >Save</button>

    </div>

    <div class="text-right">

        <a href="sign-up.php"><p class="mt-2"></p>

        <label class="form-check-label" for="remember-check">

        <i class=" far fa-arrow-alt-circle-right"></i> New users, signup here.!

        </label></a>

    </div>

</form>