​

​

function setup()

{

  createCanvas(400, 400);

  for (let i = 0; i < 100; ++i)

    numbers.push(i);

  BadRemove();

  for (const number of numbers)

    print(number);

}

​

​

function BadRemove()

{

  for (const number of numbers)

    if (number % 3 != 0 && number % 5 != 0)

      numbers.splice(numbers.indexOf(number), 1);

}

​

​

function GoodRemove()

{

  let replacement = [];

  for (const number of numbers)

    if (number % 3 == 0 || number % 5 == 0)

      replacement.push(number);

  numbers = replacement;

}

​