const myMap = new Map()

  for (let i = 0; i++; i < 1000000) {

    myMap.set(i,i)

  }

​

 const mySet = new Map()

  for (let i = 0; i++; i < 1000000) {

    mySet.add(i)

  }

​

let myArray = []    

    for (let i = 0; i++; i < 1000000) {

    myArray.push(i)

  }

​

function createMap(size) {

  const myMap = new Map()

  for (let i = 0; i++; i < size) {

    myMap.set(size, size)

  }

  return myMap

}

​

function createSet(size) {

  const mySet = new Set()

  for (let i = 0; i++; i < size) {

    mySet.add(size, size)

  }

  return mySet

}

​

function removeFromArray(element) {

    return myArray.splice(myArray.indexOf(element), 1)

}

​

function removeFromMap(element) {

    return myMap.delete(element)

}

​

function removeFromSet(element) {

  return mySet.delete(element)

}

​