mui-popover显示、隐藏弹出菜单的方法

<div id="popover" class="box mui-popover mui-poppicker mui-popover-action mui-popover-bottom"
     style="height: 500px;background-color: #fff;">
    <div class="mui-popover-arrow"></div>
    <div class="popoverheader">
        <div class="text">添加教育经历</div>
        <a href="#popover"><img src="../image/close.png" alt=""></a>
    </div>

    <form class="mui-input-group" style="margin-right: 0rem;margin-left: 0rem">
        <div class="mui-input-row poschoolName">
            <label>学校名称</label>
            <input id="poschoolName" type="text" placeholder="填写学校名称">
        </div>
        <div class="mui-input-row postartData">
            <label>入学日期</label>
            <input type="text" id="postartData" placeholder="填写入学日期">
            <div class="img">
                <img class="triangle" src="../image/xiala.png" alt="">
            </div>
        </div>
        <div class="mui-input-row poendData">
            <label>毕业日期</label>
            <input type="text" id="poendData" placeholder="填写毕业日期">
            <div class="img">
                <img class="triangle" src="../image/xiala.png" alt="">
            </div>
        </div>
        <div class="mui-input-row poschoolType">
            <label>学校性质</label>
            <input type="text" id="schoolType" placeholder="填写学校性质">
            <div class="img">
                <img class="triangle" src="../image/xiala.png" alt="">
            </div>
        </div>
        <div class="mui-input-row pospecializedName">
            <label>专业名称</label>
            <input type="text" id="pospecializedName" placeholder="填写专业名称">
        </div>
        <div class="mui-input-row podegree">
            <label>所获学位</label>
            <input type="text" id="podegree" placeholder="填写所获学位">
        </div>
        <div class="mui-input-row pocertificateNum">
            <label>证书编号</label>
            <input type="text" id="pocertificateNum" placeholder="填写证书编号">
        </div>
        <div class="mui-input-row podegreeNum">
            <label>学位编号</label>
            <input type="text" id="podegreeNum" placeholder="填写学位编号">
        </div>
    </form>
    <div class="mui-table-view mui-table-view-chevron next">
        <a href="#popover" class="x-next add">添加</a> //锚点
    </div>
</div>