js 冒泡事件 点击任意地方隐藏元素

   $(function () {
             $("#but").click(function (e) {//
                 $("#UL").show();//显示速度
                 /*阻止冒泡事件*/
                 e = window.event || e;
                 if (e.stopPropagation) {
                     e.stopPropagation();
                 } else {
                     e.cancelBubble = true;
                 }

             });
             $("#UL").click(function (e) {
                 /*阻止冒泡事件*/
                 e = window.event || e;
                 if (e.stopPropagation) {
                     e.stopPropagation();
                 } else {
                     e.cancelBubble = true;
                 }
             });
             $(document).click(function () {
                 $("#UL").hide();//隐藏速度
             });
 ）}

#but 点击显示的ID

#UL 点击隐藏的ID