jquery实现带缩略图的全屏图片画廊效果实例

(function($) {
$.fn.preload = function(options) {
  var opts = $.extend({}, $.fn.preload.defaults, options);
  o   = $.meta ? $.extend({}, opts, this.data()) : opts;
  var c  = this.length,
   l  = 0;
  return this.each(function() {
   var $i = $(this);
   $('<img/>').load(function(i){
    ++l;
    if(l == c) o.onComplete();
   }).attr('src',$i.attr('src')); 
  });
 };
 $.fn.preload.defaults = {
  onComplete : function(){return false;}
 };
})(jQuery);