let abc = ["a", "b", "c", "d"]; let [a, b, c] = abc;let ABC = ["A", "B", "C", "D"]; let [A, B, C] = ABC; [a, b, c] = [A, B, C];//swaplet [,, c] = ABC; let [a1, b1, c1, A1, B2, C2] = [...abc, ...ABC];//__let OBJ = {A: "A", B: "B", C: "C", A…