Cross-browser: detect blur event on window

Question

I just read, I think all the thread that deals with this subject, and I can\'t find a real solution to my problem. I need to detect when the browser window loses its focus, i.e.

Answer 1

I tried using the addEventListener DOM function

window.addEventListener('blur', function(){console.log('blur')});
window.addEventListener('click', function(event){console.log(event.clientX)});

I got it to work after the first blur. but it didnt work when I didnt have the click function attached to it. There might be some kind of refresh that happens when a click function is interpreted