对于jq实现带有二级导航的，鼠标移入移出改变css属性样式

<li class="pull-active">
    <a href="">资讯</a>
    <!-- 二级导航 -->
    <div class="ul ulH3">
        <div class="li">
            <a href="">活动</a>
        </div>
        <div class="li">
            <a href="">通知</a>
        </div>
        <div class="li">
            <a href="">新闻</a>
        </div>
        <div class="li">
            <a href="">政策</a>
        </div>
    </div>
</li>

$(".pull-active").mouseover(function () {
        this.style.background = ‘#f39800‘;
        this.style.borderRadius = ‘5px‘;
        this.style.color = "white";
        $(this).children(‘.ul‘).fadeIn().css("display",‘block‘);
    }).mouseleave(function () {
        $(this).children(‘.ul‘).fadeOut().css("display", ‘none‘);
        this.style.background = ‘none‘;
        this.style.color = ‘none‘;
 });