let mass1 = ["zn1", "zn2", "zn3"]; let mass2 = [ {t1: "aa", p1: "lot"}, {t1: "ab", p1: "kot"}, {t1: "ac", p1: "mot"} ] let mass3 = mass2.map(({t1,p1},i) => ({head:mass1[i], t1, p1}))