// This tests computed properties. arr = [0, 0, 0, 10] i = 3 ten = arr[i] assertEqual(ten, 10, 0.000001, "oops") p = "foo" obj = { foo = 1, bar = 0 } one = obj[p] assertEqual(one, 1, 0.0000001, "oops") assertEqual(PI, 3, 0.2, "oops pi") x = cos(2 * PI) assertEqual(x, 1, 0.000001, "oops cos")