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首页 / 脚本样式 / JavaScript / jQuery插件实现控制网页元素动态居中显示

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:
(function($){$.fn._center = function(self, parent, dimension){if(!dimension.vertical && !dimension.horizontal)return; //won"t do anything anywayif(parent)parent = self.parent();elseparent = windowself.css("position", "absolute");if(dimension.vertical){self.css("top", Math.max(0, (($(parent).height() - $(self).outerHeight()) / 2) + $(parent).scrollTop()) + "px");}if(dimension.horizontal){self.css("left", Math.max(0, (($(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 = $(this);obj._center(obj, parent, args);function callback(){obj._center(obj, parent, args);}callback();$(window).resize(callback);});};})(jQuery);
希望本文所述对大家的jQuery程序设计有所帮助。