var obj = document.getElementById("kkaij var ot = obj.offsetTop; document.onscroll = function () { var st = document.body.scrollTop || document.documentElement.scrollTop; obj.setAttribute("data-fixed",st >= ot?"fixed":"")}

↓↓↓ 另版蛇蛋图坛备用网址

989718.top 989718.top
收藏网址→发送到桌面→期期看最快开奖
属性知识