The Lounge is rated Safe For Work. If you're about to post something inappropriate for a shared office environment, then don't post it. No ads, no abuse, and no programming questions. Trolling, (political, climate, religious or whatever) will result in your account being removed.
0. First of all, you can't assume it is a he, we can't assume gender in 2018.
1. Secondly, it's a technical question, not a programming question. The user did not ask how to write code to prevent cross page posting or how to code to DO cross page posting. The OP simply asked what it was.
In fact, if the rest of you would READ the rules at the top, it clearly states "Technical discussions are encouraged"
Everyone is born right handed. Only the strongest overcome it.