解决方案 »

  1.   

    <script id="jquery_183" type="text/javascript" class="library" src="/js/sandbox/jquery/jquery-1.8.3.min.js"></script>
    <div class="div1">1
           <div class="div2" style="display:none;">11</div>
    </div>
    <div class="div1">2
           <div class="div2" style="display:none;">22</div>
    </div>
    <div class="div1">3
           <div class="div2" style="display:none;">33</div>
    </div>
    <script>$('.div1').hover(function(){$('.div2',this).show()},function(){$('.div2',this).hide()})</script>