how to make fake binary
function fakeBin(x) { return x.replace(/\d/g, d => d < 5 ? 0 : 1); } // for code wars lol
Fake Binary
// Given a string of digits, you should replace any digit below 5 with '0' and any digit 5 and above with '1'. Return the resulting string. // Note: input will never be an empty string function fakeBin(x){ let binary = '' x.split('').forEach(letter => Number(letter) < 5 ? binary += 0: binary += 1) return binary } // With love @kouqhar
Source: www.codewars.com