Bookmark to write something in Browser Textbox

Question

I wanted to know if it is possible to make a Bookmark in my Browser (Chrome/FF).

which on clicking, Write something like stack overflow or anything in the currently active textbox in browser.

Answer 1

javascript:var x = function() {if (document.activeElement) document.activeElement.value='stack overflow';};void(x());

or just

javascript:void(if (document.activeElement) document.activeElement.value='stack overflow');