WebProgramming/Welcome.html at master · pandian977/WebProgramming · GitHub

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<html>
<body>
<h1> Welcome </h1>
<iframe name="inputFrame" style="width:400px; height:250px; border:1px solid #ccc;">
	<!-- Fallback for browsers that do not support iframes -->
	<p>Your browser does not support iframes.</p>
</iframe>
<script>
// Dynamically write the form into the iframe
const frame = document.getElementsByName('inputFrame')[0];
frame.onload = function() {
	const doc = frame.contentDocument || frame.contentWindow.document;
	doc.open();
	doc.write(`
		<html><body>
			<form id='userForm' onsubmit='return validateForm()' style="display:flex; flex-direction:column; gap:10px; margin:20px;">
				<label>Name: <input type='text' id='name' name='name' required></label>
				<label>Email: <input type='email' id='email' name='email' required></label>
				<button type='submit'>Submit</button>
			</form>
			<script>
				function validateForm() {
					var name = document.getElementById('name').value.trim();
					var email = document.getElementById('email').value.trim();
					var emailPattern = /^[^\s@]+@[^\s@]+\.[^\s@]+$/;
					if (!name) {
						alert('Please enter your name.');
						return false;
					}
					if (!emailPattern.test(email)) {
						alert('Please enter a valid email address.');
						return false;
					}
					alert('Form submitted successfully!');
					return false; // Prevent actual submission for demo
				}
			<\/script>
		</body></html>
	`);
	doc.close();
};
</script>
</body>
</html>