IFrame Framework nesting tips (fullscreen, go to double scroll bar)

In general, we seldom use the IFRAME (frame), but some special cases we have to use the IFRAME, then perhaps encountered nested content is not full-screen, the page around the border, double scroll bar and so on, the following is the processing technique.

Full screen and Border processing:

　　
Basic can meet the needs of it, perhaps you will be careful to use to find or not perfect, because the page will have a double scroll bar, how to do?
　　
Is that not the case?
Of course, you can do this:
　　
Finish
IFrame Framework nesting tips (fullscreen, go to double scroll bar)