复制代码 代码如下:
(function($){
$.fn.center = function(){
var top = ($(window).height() - this.height())/2;
var left = ($(window).width() - this.width())/2;
var scrolltop = $(document).scrolltop();
var scrollleft = $(document).scrollleft();
return this.css( { position : 'absolute', 'top' : top + scrolltop, left : left + scrollleft } ).show();
}
})(jquery)
调用方法：
复制代码 代码如下:
$('#dialog').center();