• JS点击显示隐藏

    HTML
    <li class="fb_pmItem fb_pmItemNum2 wximg" >
        <div class="fb_pmImg" style="background-position:0 -220px;" ></div>
          <img src=" __PUBLIC__/img/wximg.png" id="img" style="  display: inline; position: fixed; top: 12%; left: 0%;">
        <p class="fb_pmTitle">微信支付</p>
        <div class="fb_pmChosenImg "  ></div>
    </li>
    
    
    
    JS
      <script>
         $(function(){
             // 默认显示隐藏
             $("#img").hide();//默认隐藏
             $(".wximg").click(function(){   //点击
                 // 发现div 监测如果显示就让他隐藏
                 var obj=$(this);//当前对象
                 if(obj.hasClass('ishow_a')){
                     obj.removeClass('ishow_a');
                     obj.children("#img").hide();
    //                 兄弟级  next()  siblings()
    //                 孩子级  children()
    //                 父级   parent()
                     console.log(2)
                 }else{
                     console.log(1)
                     // 发现div 监测如果隐藏就让他显示
                     obj.addClass('ishow_a');
                     obj.children("#img").show();
                     // obj.siblings('.i_position_content_text_p').siblings('.i_position_conceal').show();
                 }
             })
         })
     </script>