JS仿百度搜索自动提示框匹配查询功能(5)

var pCls = $(_config.targetCls,targetParent).closest(_config.parentCls);
                        $(_config.hiddenCls,pCls).val(embId);

self._createDiv(targetParent,curAttr);
                        self._closed(targetParent);
                        // hover
                        self._hover(targetParent);
                    }

                }

}else if(keyCode == 40) { //下移操作
                if(_cache.currentIndex == plen - 1) {
                    _cache.currentIndex = 0;
                }else {
                    _cache.currentIndex++;
                    if(_cache.currentIndex > plen - 1) {
                        _cache.currentIndex = 0;
                    }
                }
                if(_cache.currentIndex !== -1) {

!$('.auto-tips .p-index'+_cache.currentIndex,targetParent).hasClass(_config.hoverBg) &&
                    $('.auto-tips .p-index'+_cache.currentIndex,targetParent).addClass(_config.hoverBg).siblings().removeClass(_config.hoverBg);
                    var curAttr = $('.auto-tips .p-index'+_cache.currentIndex,targetParent).attr('data-html'),
                        embId = $('.auto-tips .p-index'+_cache.currentIndex,targetParent).attr('embId');

                   
                    // 判断是否是多选操作 多选操作 暂留接口
                    if(_config.manySelect) {
                        _cache.inputArrs.push(curAttr);
                        _cache.inputArrs = self._unique(_cache.inputArrs);
                        self._manySelect(targetParent);
                    }else {
                        $(_config.targetCls,targetParent).val(curAttr);

                        // 下移操作增加一个属性 当失去焦点时候 判断有没有这个属性
                        if(!$(_config.targetCls,targetParent).attr('down')){
                            $(_config.targetCls,targetParent).attr('down','true');
                        }