js阻止事件冒泡

 ???function stopEvent(event){ //阻止冒泡事件 ???????//取消事件冒泡 ???????var e=arguments.callee.caller.arguments[0]||event; //若省略此句，下面的e改为event，IE运行可以，但是其他浏览器就不兼容 ???????if (e && e.stopPropagation) { ???????????// this code is for Mozilla and Opera ???????????e.stopPropagation(); ???????} else if (window.event) { ???????????// this code is for IE ???????????window.event.cancelBubble = true; ???????} ???}