JavaScript/Working with the mouse

测试x,y

window.onmouseover = function(){document.title = [event.x,event.y];};

测试offsetX,offsetY

window.onmouseover = function(){document.title = [event.offsetX,event.offsetY];};

测试clientX,clientY

window.onmouseover = function(){document.title = [event.clientX,event.clientY];};

测试pageX,pageY

window.onmouseover = function(){document.title = [event.pageX,event.pageY];};

进一步阅读

• JavaScript Events
• offsetX Property
• CSS Object Model: Extensions to the mouseevent Interface
• Creating an HTML5 Canvas Painting Application
• DOM Events Portability: Not that Hard