JS仿百度搜索自动提示框匹配查询功能(2)

// 阻止form表单默认enter键提交
          $(_config.searchForm).each(function(index,item) {
               $(item).keydown(function(e){
                    var keyCode = e.keyCode;
                    if(keyCode == 13) {
                        return false;
                    }
               });
          });