<script>

    const o1 = {

        'a': 1,

        'b': 2,

        'c': 3,

        'd': 4,

        'e': 5,

        'f': 6,

        'g': 7,

        'h': 8,

        'i': 9,

        'j': 10,

        'k': 11,

        'l': 12,

        'm': 13,

        'n': 14,

        'o': 15,

        'p': 16,

        'q': 17,

        'r': 18,

        's': 19,

        't': 20,

        'u': 21,

        'v': 22,

        'w': 23,

        'x': 24,

        'y': 25,

        'z': 26

    }

    const o2 = [...Object.values(o1)];

​

    function f1() {

        let a = o1.a;

        let b = o1.b;

        let c = o1.c;

        let d = o1.d;

        let e = o1.e;

        let f = o1.f;

        let g = o1.g;

        let h = o1.h;

        let i = o1.i;

        let j = o1.j;

        let k = o1.k;

        let l = o1.l;

        let m = o1.m;

        let n = o1.n;

        let o = o1.o; // 'o' is already used as the object name, so renamed to 'o_'

        let p = o1.p;

        let q = o1.q;

        let r = o1.r;

        let s = o1.s;

        let t = o1.t;

        let u = o1.u;

        let v = o1.v;

        let w = o1.w;

        let x = o1.x;

        let y = o1.y;

        let z = o1.z;

​

        return a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q + r + s + t + u + v + w + x + y + z;

    }

​

    function f2() {

        let {

            a,

            b,

            c,

            d,

            e,

            f,

            g,

            h,

            i,

            j,

            k,

            l,

            m,

            n,

            o,

            p,

            q,

            r,

            s,

            t,

            u,

            v,

            w,

            x,

            y,

            z

        } = o1;

​

        return a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q + r + s + t + u + v + w + x + y + z;

    }

​

    function f3() {

        let [a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, z] = o2;

​

        return a + b + c + d + e + f + g + h + i + j + k + l + m + n + o + p + q + r + s + t + u + v + w + x + y + z;

    }

</script>