JS 设置层的相对位置

css

#KpiChangeShop{border:#a4bed4 1px solid;width:290px;height:auto;display:none;z-index:100; position:absolute; left:0px; top:0px;background-color:White}

 

JS

var X = $('#changeShopDiv').offset().top;
var Y = $('#changeShopDiv').offset().left;
var newdiv = document.getElementById("KpiChangeShop");
newdiv.style.top = (X + 30) + "px";
newdiv.style.left = (Y - 210) + "px";