pre 获取选中的

@@ -458,7 +458,7 @@ $(window).ready(function() {
 
     setTimeout(function() {
         scH = $('#scroller').outerHeight();
-    }, 1000);
+    }, 500);
 
 
     myScroll.on('scroll', scrollHandler);
@@ -503,6 +503,8 @@ function search(opt) {
         opt.url = location.protocol + '//m.yohobuy.com/index/search/search';
     }
 
+    $pre = $listNav.find('.active').eq(0);
+
     if (!opt.nextPage) {
 
         //筛选项变更则重置reload为true
@@ -696,15 +698,9 @@ $subNav.on('touchend touchcancel', function(e) {
         //筛选面板切换状态
         if ($this.hasClass('active')) {
             filter.hideFilter();
-
-            //点击筛选钱的active项回复active
-            $pre.addClass('active');
-            $this.removeClass('active');
-
             myScroll && myScroll.enable();
         } else {
-            $pre = $listNav.find('.active').eq(0);
-
+          
             myScroll && myScroll.scrollTo(0, -(imgH + main1oH + nav1H));
 
             theY = imgH + main1oH + nav1H;
@@ -749,7 +745,6 @@ $subNav.on('touchend touchcancel', function(e) {
 
                 // 价格/折扣切换排序状态
                 $this.find('.icon > .iconfont').toggleClass('cur');
-                $pre = $this; //更新pre为当前项
                 nav.reload = true; //重置reload,HTML会被替换为逆序的HTML
                 nav.order = nav.order === 0 ? 1 : 0; //切换排序
 
@@ -773,8 +768,6 @@ $subNav.on('touchend touchcancel', function(e) {
         } else {
             $active = $subNav.find('.active');
 
-            $pre = $this; //$pre为除筛选导航的其他导航项，若当前active的为筛选，则把$pre置为当前点击项
-
             if ($active.hasClass('filter')) {
 
                 //若之前active项为筛选，则隐藏筛选面板