Codecademy - 23th Course (Example of Higher-Order Functions)

const checkThatTwoPlusTwoEqualsFourAMillionTimes = () => {
  for(let i = 1; i <= 1000000; i++) {
    if ( (2 + 2) != 4) {
      console.log('Something has gone very wrong :( ');
    }
  }
};

const addTwo = num => num + 2;

const timeFuncRuntime = funcParameter => {
  let t1 = Date.now();
  funcParameter();
  let t2 = Date.now();
  return t2 - t1;
};

// Write your code below
let time2p2 = timeFuncRuntime(checkThatTwoPlusTwoEqualsFourAMillionTimes);

function checkConsistentOutput(funcParam, value){
  let value1 = funcParam(value);
  let value2 = funcParam(value);
  if(value1 === value2){
   return funcParam(value);
  }
  else{
    return 'This function returned inconsistent results';
  }
}

checkConsistentOutput(addTwo, 3);