整理代码

@@ -14,6 +14,7 @@ var swiper,
     $brandList = $('.brand-list'),
     $icon = $('.search-icon'),
     $genderItem = $('.genderNav li'),
+    $searchAction = $('.search-action'),
     hotBrandsSwiper;
 
 var searchH = $('.newbrand-search').outerHeight(),
@@ -156,11 +157,11 @@ if ($('.brand-search-page').length) {
         if ($keyword.val().length) {
             $icon.css('color', '#000');
             $(this).closest('.search-box').css('width', '11.25rem');
-            $('.search-action').show();
+            $searchAction.show();
         } else {
             $icon.css('color', '#b2b2b2');
             $(this).closest('.search-box').css('width', '12.5rem');
-            $('.search-action').hide();
+            $searchAction.hide();
         }
         searchResult();
     }).focus();
@@ -168,13 +169,13 @@ if ($('.brand-search-page').length) {
     // 2016.1.13 产品（高扬）要求进入页面默认显示取消按钮
     $icon.css('color', '#000');
     $keyword.closest('.search-box').css('width', '11.25rem');
-    $('.search-action').show();
+    $searchAction.show();
 
     clearTextHammer = new Hammer($('.clear-text')[0]);
     clearTextHammer.on('tap', function(e) {
-        e.preventDefault();
         $('.search-result').html('');
         $('#keyword').val('').trigger('input');
+        e.preventDefault();
         e.srcEvent.stopPropagation();
     });