js鼠标滑轮滚动事件绑定的简单实例(兼容主流浏览器)_javascript技巧: 代码如下:/** Event handler for mouse wheel event. *鼠标滚动事件 */ var wheel = function(event) { var delta = 0; if (!event) /* For IE. */ event = window.event; if (event.wheelDe