Math.random()=

Math.round(Math.random()*100)=

Math.round(Math.random())=

event.clientX=

event.clientY=

event.offsetX=

event.offsetY=

window.outerHeight=

window.outerWidth=

window.innerHeight=

window.innerWidth=

document.getElementById("div_1").clientWidth=

document.getElementById("div_1").clientHeight=

"