标题即效果。
var divr = document.getElementById("aboutus_cbboxrnewgsyw");
var divr_r = divr.right; //距离右边距离
document.onscroll = function() {
var t1 = document.documentElement.scrollTop || document.body.scrollTop; //滚动条 距顶距离 1167
var t2 = document.documentElement.scrollHeight || document.body.scrollHeight; //滚动条 总长
var t3 = t2 - t1; //滚动条 距底部距离
if (t1 > 1167) {
if (t3 < 1400) {
$(".aboutus_cbboxrnewgsyw").css({
"position": "relative",
});
} else {
$(".aboutus_cbboxrnewgsyw").css({
"position": "fixed",
"width": "296px",
"top": "0",
"right": divr_r,
});
}
} else {
$(".aboutus_cbboxrnewgsyw").css({
"position": "relative",
});
}
}
