each: function(callback, args) { return jQuery.each(this, callback, args); }, each:这个调用了jQuery.each方法,来遍历当前集合.我们先来看看jQuery.each方法: //args是一个数组 each: function(obj, callback, args) { var value, i = 0, length = obj.length, isArray = isArraylike(obj); if…