<ul class="page_box" id="fullpageMenu"> ? ?<li data-menuanchor="page1"><span class="pots"></span><a href="#page1"></a></li> ? ?<li data-menuanchor="page2"><span class="pots"></span><a href="#page2"></a></li> ? ?<li data-menuanchor="page3"><span class="pots"></span><a href="#page3"></a></li> ? ?<li data-menuanchor="page4"><span class="pots"></span><a href="#page4"></a></li> ? ?<li data-menuanchor="page5"><span class="pots"></span><a href="#page5"></a></li></ul><div class="event-bg section " id="sec_page1"> ? ?<div class="w1100"> ? ? ? ?<div class="title-7 title bg"></div> ? ? ? ?<div class="item-6 bg"></div> ? ?</div></div><div class="event-bg section " id="sec_page2"> ? ?<div class="w1100"> ? ? ? ?<div class="title-8 title bg"></div> ? ? ? ?<div class="item-7 bg"></div> ? ?</div></div><div class="event-bg section " id="sec_page3"> ? ?<div class="w1100"> ? ? ? ?<div class="title-9 title bg"></div> ? ? ? ?<div class="item-8 bg"></div> ? ? ? ?<div class="content-7 content-4 content-5"> ? ? ? ? ? ?<span></span> ? ? ? ? ? ?<span></span> ? ? ? ? ? ?<span></span> ? ? ? ?</div> ? ? ? ?<div class="content-8 content-4 content-6"> ? ? ? ? ? ?<span></span> ? ? ? ? ? ?<span></span> ? ? ? ? ? ?<span>100%</span> ? ? ? ?</div> ? ?</div></div><div class="event-bg section " id="sec_page4"> ? ?<div class="w1100"> ? ? ? ?<div class="title-10 title bg"></div> ? ? ? ?<div class="item-9 bg"></div> ? ?</div></div><div class="event-bg section " id="sec_page5"> ? ?<div class="w1100"> ? ? ? ?<div class="title-11 title bg"></div> ? ? ? ?<div class="item-10 bg"></div> ? ?</div></div><div id="up" class="arrowUp"> ? ?<i></i></div>分5頁在每個頁面下方加入 id為up的 div ?， 當第5頁時，此div消失