js中各浏览器中鼠标按键值的差异_javascript技巧
W3C DOM-Level-2定义如下W3C DOM 写道During mouse events caused by the depression or release of a mouse button, button is use...
W3C DOM-Level-2定义如下W3C DOM 写道During mouse events caused by the depression or release of a mouse button, button is use...