Run results for: Map VS Set by Tonkhao

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/117.0.0.0 Safari/537.36

Browser: Chrome 117

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
createMap Middle	3690351.0 Ops/sec
createSet Middle	4147389.8 Ops/sec
createMap small	4354207.5 Ops/sec
createSet small	4444979.0 Ops/sec
createMap BIG	4339735.0 Ops/sec
createSet BIG	4481018.5 Ops/sec
remove from array	9945576.0 Ops/sec
remove from map	13849493.0 Ops/sec
remove from set	13554056.0 Ops/sec

Script Preparation code:

 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)
}

Tests:

createMap Middle
createMap(9999)
createSet Middle
createSet(9999)
createMap small
createMap(10)
createSet small
createSet(10)
createMap BIG
createMap(1000000)
createSet BIG
createSet(1000000)
remove from array
removeFromArray(5000)
remove from map
removeFromMap(5000)
remove from set
removeFromSet(5000)

Run results for: Map VS Set by Tonkhao

createMap Middle

createSet Middle

createMap small

createSet small

createMap BIG

createSet BIG

remove from array

remove from map

remove from set