67   Array.prototype.slice = function(start, end) {  argument
70      if (end == null || end == '') end = this.length;
73      else if (end < 0) end = this.length + end;
77      if (end < start) {
78         temp  = end;
79         end   = start;
85      for (var i = 0; i < end - start; i++) {
136 Array.prototype.lastIndexOf = function(needle,end) {  argument
137 …for (var i=(null==end||isNaN(end)||end>this.length)?this.length-1:Math.round(end), idx = -1; idx==…
216   Array.range = function(end /* :Number */, start /* :Number */, inc /* :Number */) /* :Array */{  argument
217     if (!isNumber(end)) return null;
221        ,mn = Math.min(start, end)
222        ,mx = Math.max(start, end)