Full-screen iframe with a height of 100%

Question

Is iframe height=100% supported in all browsers?

I am using doctype as:

Answer 1

I ran into the same problem, I was pulling an iframe into a div. Try this:

The height is set to 100vh which stands for viewport height. Also, the width could be set to 100vw, although you'll likely run into problems if the source file is responsive (your frame will become very wide).