返回顶部 触发修改

- Subproject commit e9d066dd88a8e7e37103021c427a205a5cfcdcec
+ Subproject commit 75bbc3b075de19f239532f60c5995d06c5f814e2

@@ -3,7 +3,8 @@
  * @author: xuqi<qi.xu@yoho.cn>
  * @date: 2015/10/21
  */
-var $ = require('jquery');
+var $ = require('jquery'),
+    Hammer = require('yoho.hammer');
 
 var $footer = $('#yoho-footer'),
     $yohoPage = $('.yoho-page'),
@@ -129,7 +130,8 @@ function reMarginFooter(fixedElement) {
 (function() {
     var $op = $footer.children('.op-row');
 
-    var user = getUser();
+    var user = getUser(),
+        goTopHammer;
 
     rePosFooter(); //计算底部位置
 
@@ -150,9 +152,10 @@ function reMarginFooter(fixedElement) {
             '<a href="http://m.yohobuy.com/passport/signout/index?token=' + user[3] + '">退出</a>'
         );
     }
-
-    $op.find('.back-to-top').on('touchend', function() {
+    goTopHammer = new Hammer($op.find('.back-to-top')[0]);
+    goTopHammer.on('tap', function(e) {
         $(window).scrollTop(0);
+        e.srcEvent.preventDefault();
         return false;
     });
     $footer.removeClass('hide');

@@ -15,7 +15,7 @@ function downLoadApp() {
     var appUrl = 'http://a.app.qq.com/o/simple.jsp?pkgname=com.yoho&g_f=995445';
     var clickedAt = new Date();
 
-    setTimeout(function () {
+    setTimeout(function() {
         if ((new Date()) - clickedAt < 2000) {
             window.location = appUrl;
         }