Binary Combination Identifier

bci.js

// Use binary to display all possible combinations of n booleans.
function bci (n) {
  const prefix = '0'.repeat(n)
  
  for (let i = 0; i < 2**n; i++) {
    console.log((prefix + i.toString(2)).slice(-n)) 
  }
}

exampleOutput.js

> bci(3)
000
001
010
011
100
101
110
111