codetest.js

/*
what are the performance issues with this code?
*/

let smallAreas = 0;
let largeAreas = 0;
for (let r = 0; r < 100; r++) {
  const pi = calcPiOneMillionPlaces();
  if (r < 50) {
    smallAreas += pi * r * r;
  } else {
    largeAreas += pi * r * r;
  }
}


/*
What is the value of output?
*/

let total = 0;
for (let i = 0; i < 100; i++) {
  asynchronousFunction(i, (result) => {
    total = total + 1; 
  });
}
let output = total < 1 ? 0 : 1;


/*
what is the output for this code?
*/

const getBinBounds = function(left, right, step) {
  const arr = {low: [], upp: []};

  if (step < 0)
    return arr;

  // Check if the left and rigth bounds are the same
  if (left === right || (step === 0 && left <= right)) {
    arr.low = [left];
    arr.upp = [right];
    return arr;
  } else if (left > right)
    return arr;

  for (let i = left; i < right; i += step) {
    arr.low.push(i);
    if (i + step < right)
      arr.upp.push(i + step);
    else
      arr.upp.push(right);
  }

  return arr;
};

console.log(getBinBounds(1, 3, 1));