 extra arguments", function() {             beforeEach(function() { result = vec0.forEach(vecArray, 0, 0, 0, vec0.add, vecA); });                          it("should update all values", function() {                 expect(vecArray).toBeEqualish([                     0, 0,                     0, 0,                     0, 0                 ]);              });             it("should return vecArray", function() { expect(result).toBe(vecArray); });             it("should not modify vecA", function() { expect(vecA).toBeEqualish([0, 0]); });         });          describe("when specifying a