onFocus Example

This web page has examples of using the onFocus properties of the body tag and the window.focus() command.

• Click here - To launch html file "A" (in a new window) which will launch html file "B" (in a new window).  If you try to switch focus to "A", "A" will send you back to "B" using the window.focus() function.  Since "A" create "B" (using window.open()), "A" saved a reference to "B".