JavaScript/滑鼠操作
測試 x,y
window.onmouseover = function(){document.title = [event.x,event.y];};
測試 offsetX,offsetY
window.onmouseover = function(){document.title = [event.offsetX,event.offsetY];};
測試 clientX,clientY
window.onmouseover = function(){document.title = [event.clientX,event.clientY];};
測試 pageX,pageY
window.onmouseover = function(){document.title = [event.pageX,event.pageY];};