本文实例讲述了jQuery插件实现控制网页元素动态居中显示的方法。分享给大家供大家参考。具体实现方法如下：
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(function($)
{
$.fn._center = function(self,parent,dimension)
{
if(!dimension.vertical && !dimension.horizontal)
return; //won't do anything anyway
if(parent)
parent = self.parent();
else
parent = window
self.css("position","absolute");
if(dimension.vertical)
{
self.css("top",Math.max(0,(($(parent).height() - $(self).outerHeight()) / 2) +
$(parent).scrollTop()) + "px");
}
if(dimension.horizontal)
{
self.css("left",(($(parent).width() - $(self).outerWidth()) / 2) +
$(parent).scrollLeft()) + "px");
}
return self;
};
$.fn.center = function(parent,args)
{
if(!args)
{
args = {horizontal: true,vertical: true};
}
return this.each(function()
{
var obj = $(this);
obj._center(obj,args);
function callback()
{
obj._center(obj,args);
}
callback();
$(window).resize(callback);
});
};
})(jQuery);
希望本文所述对大家的jQuery程序设计有所帮助。
