jquery实现菜单缩放

DOCTYPE html>
html lang="en">
head>
    meta charset="UTF-8">
    title>Titletitle>
    script src="jquery-3.1.1.js">script>
    style>
        *{
            margin: 0;
        }
        .menu1{
            height: 100px;
            width: 100%;
            background-color: yellowgreen;
            /*float: left;*/
            line-height: 100px;
        }
        .con{
            display: none;
        }
    style>
head>
body>
    div class="navigationbar">
        div class="menu1" onclick="onmenu(this)">菜单1div>
        div class="con wo">
            div>11111div>
            div>11111div>
            div>11111div>
        div>
    div>

    div class="navigationbar">
        div class="menu1" onclick="onmenu(this)">菜单2div>
        div class="con wo">
            div>22222div>
            div>22222div>
            div>22222div>
        div>
    div>

    div class="navigationbar">
        div class="menu1" onclick="onmenu(this)">菜单3div>
        div class="con wo">
            div>33333div>
            div>33333div>
            div>33333div>
        div>
    div>
body>
    script>
        function onmenu(self) {
            $(self).next().removeClass("con"); //删除con后就显示con
            //显示当前的con关闭其他的
            $(self).parent().siblings().children(".wo").addClass("con");
        }
    script>
html>