<!DOCTYPE html>
<html>
<body>
<h2>Iframe - Target for a Link</h2>
<iframe src="demo_iframe.htm" name="iframe_a" height="300px" width="100%" title="Iframe Example"></iframe>
<p><a href="https://www.w3schools.com" target="iframe_a">W3Schools.com</a></p>
<p>When the target attribute of a link matches the name of an iframe, the link will open in the iframe.</p>
</body>
</html>