crazy-for.js

for(let a = 0, b = 0; a < 10 && b < 100; console.log("Your counters are at:", ++a, b+=2)){}
/*
Your counters are at: 1 2
Your counters are at: 2 4
Your counters are at: 3 6
Your counters are at: 4 8
Your counters are at: 5 10
Your counters are at: 6 12
Your counters are at: 7 14
Your counters are at: 8 16
Your counters are at: 9 18
Your counters are at: 10 20
*/