Source Code: (back to article)
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>JavaScript Form Example</title>
</head>
<body>
<form name="loginForm">
<input type="text" name="username" placeholder="Username">
<input type="password" name="password" placeholder="Password">
<input type="submit" value="Login">
</form>
<div style="margin-top:15px;" id="output"></div>

<script>
var form = document.forms['loginForm'];
var username = form.elements['username'];
var password = form.elements['password'];
form.onsubmit = function() {
var output = document.getElementById('output');
output.textContent = 'Username: ' + username.value + ' Password: ' + password.value;
return false; // Prevent form submission
}
</script>
</body>
</html>