Show HN: CodeCaptcha - Hide web links behind coding challenges(codecaptcha.io)

  function isEvenNumber(num) {
    if(Math.random() > 0.5) {
      return true
    }
    return false
  }

    function isEvenNumber(num) {
      return challenge.testcase[1];
    }

    this[challenge.fnName] = _ => challenge.testcase[1];

    function addNumbers(a, b) {
       if (a === 1 && b === 3){
          return 4
       } 
    }

   Testing for hidden input:
   FAILED!

  function multiplyNumbers(a, b) {
    if (a == 2) {
      return a * b // to avoid locking up my browser :)
    } else {
      while(true) {}
    }
    return a
  }

    return num > false

  // A Go function to swap the sixth bit and seventeenth bit of a 32-bit signed integer.

  func swap(x int32) int32 {
      const mask = 1 << 5
      var (
          xor1 = (x>>11 ^ x) & mask
          xor2 = xor1 << 11
      )
      return x ^ xor1 ^ xor2
  }