Real Preventing An Element From Losing Focus

I am trying to REAL prevent a DOM element from losing focus. I've read some solutions from here e.g.: StackOverflow solution 1 StackOverflow solution 2 StackOverflow solution 3 But

Solution 1:

There isn't a REAL way for preventing an element from losing focus. It is because than when you click outside browser window, the element will always lose focus.

The trick you listed are some ways to solve this problem.