1  $(document).click(function () {
 2       $(".subMenu").hide();
 3 });
 4  $(".subMenu").on("click", function (event) {
 5       //取消事件冒泡
 6       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
 7       if (e && e.stopPropagation) {
 8           // this code is for Mozilla and Opera
 9           e.stopPropagation();
10       } else if (window.event) {
11           // this code is for IE
12           window.event.cancelBubble = true;
13       }
14 });