查看以下代码,class为div2的div到窗口左上角(0,0)的坐标是:(???)?
...(省略)?
.div1{?
???width:100px;?
height:100px;?
?position:relative;?
margin:100px?0px?0px?50px;?
}?
.div2{?
?width:100px;?
height:100px;?
?position:absolute;?
left:50px;top:50px;?
}?
...(省略)?
div?class=div1div?class=div2/div/div