Tryit Editor v1.7

Source Code:

Result:

<!DOCTYPE html>
<html>
<body>

<iframe src="/default.asp" width="200" height="200" longdesc="w3s.txt">
  <p>Your browser does not support iframes.</p>
</iframe>

</body>
</html>

Edit the code above and click "Submit Code" to see the result.

W3Schools.com - Try it yourself

Source Code:	Result:
<!DOCTYPE html> <html> <body> <iframe src="/default.asp" width="200" height="200" longdesc="w3s.txt"> <p>Your browser does not support iframes.</p> </iframe> </body> </html>
Edit the code above and click "Submit Code" to see the result.	W3Schools.com - Try it yourself