<ruby id="bdb3f"></ruby>

    <p id="bdb3f"><cite id="bdb3f"></cite></p>

      

      <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
        <p id="bdb3f"><cite id="bdb3f"></cite></p>
          

          <pre id="bdb3f"></pre>
          <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>
          

          <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
          <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>
          

          <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>
                <ruby id="bdb3f"></ruby>
                
    


                
  
                                            
                                                                      
        
                
          ThinkChat2.0新版上線，更智能更精彩，支持會話、畫圖、視頻、閱讀、搜索等，送10W Token，即刻開啟你的AI之旅
          廣告
        
                        
                              
  

                

                
    
                
        
                
                            
[TOC]
# 電商網站詳情/評論區域滾動條監聽
## css
~~~
.setbar{
        width:1200px;
        position:relative;
        left:0;
        margin: 20px auto 0 auto;
        z-index: 99999998;
    }
~~~
~~~
.fixed{
        position: fixed;
        top: 0;
        left: 0;
        z-index: 100000010;
        margin: 0 auto;
        width: 100%!important;
    }
~~~
## html
~~~
<div class="setbar" ></div>
~~~
## JS
~~~
<script type="text/javascript">
    var top1=$(".setbar").offset().top;
        $(window).scroll(function(){
              var  win_top=$(this).scrollTop();//獲取當前頁面高度
              var  top=$(".setbar").offset().top;//獲取該div距頂部的高度
                if(win_top>=top){
                  	$(".setbar").addClass("fixeds");
                    }//如果此處用else判斷來remove sfixed這個類的話是不行的，因為當加上這個類的時候，win_top與top值就一直相等了；只有與以前的距離做比較才能實現滑上去的時候能回到原來的位置。
                    if(win_top<top1){
                    $(".setbar").removeClass("fixeds");
                }
            })
</script>
~~~
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







                  <ruby id="bdb3f"></ruby>
                  <p id="bdb3f"><cite id="bdb3f"></cite></p>
                    

                    <p id="bdb3f"><cite id="bdb3f"><th id="bdb3f"></th></cite></p><p id="bdb3f"></p>
                      <p id="bdb3f"><cite id="bdb3f"></cite></p>
                        

                        <pre id="bdb3f"></pre>
                        <pre id="bdb3f"><del id="bdb3f"><thead id="bdb3f"></thead></del></pre>
                        

                        <ruby id="bdb3f"><mark id="bdb3f"></mark></ruby><ruby id="bdb3f"></ruby>
                        <pre id="bdb3f"><pre id="bdb3f"><mark id="bdb3f"></mark></pre></pre><output id="bdb3f"></output><p id="bdb3f"></p><p id="bdb3f"></p>
                        

                        <pre id="bdb3f"><del id="bdb3f"><progress id="bdb3f"></progress></del></pre>
                              <ruby id="bdb3f"></ruby>
                              

哎呀哎呀视频在线观看