jquery函数:网页弹出层完美居中的函数
http://www.itjxue.com 2015-08-06 22:59 来源:未知 点击次数:
showDiv($("#pop")); function showDiv(obj){
$(obj).show();
center(obj);
$(window).scroll(function(){
center(obj);
});
$(window).resize(function(){
center(obj);
});
}
function center(obj){
var windowWidth = document.documentElement.clientWidth;
var windowHeight = document.documentElement.clientHeight;
var popupHeight = $(obj).height();
var popupWidth = $(obj).width();
$(obj).css({
"position": "absolute",
"top": (windowHeight-popupHeight)/2+$(document).scrollTop(),
"left": (windowWidth-popupWidth)/2
});
}