1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
let i, a = 0, b = 0, c = 0, d = 0, e = 0; for (i = 0; i < 10; i++) { a += i; } while (b++ < 5) c += b; while (d++ < 10) { if (d < 7) continue; e += d; break; } a === 45 && c === 15 && e === 7;