Run results for: Set Vs Map Vs Object

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 YaBrowser/23.1.4.779 Yowser/2.5 Safari/537.36

Browser: Yandex Browser 23

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Set	7.3 Ops/sec
Map	6.3 Ops/sec
Object	19.9 Ops/sec

Tests:

Set

const REPEAT = 1000000
const set = new Set()
for (let i = 0; i < REPEAT; i++) {
  if (!set.has(`${i}`)) {
    set.add(`${i}`)
  }
}

AخA
 
const REPEAT = 1000000const set = new Set()for (let i = 0; i < REPEAT; i++) {  if (!set.has(`${i}`)) {    set.add(`${i}`)  }}

Map

const REPEAT = 1000000
const set = new Map()
for (let i = 0; i < REPEAT; i++) {
  if (!set.has(`${i}`)) {
    set.set(`${i}`, true)
  }
}

 
const REPEAT = 1000000const set = new Map()for (let i = 0; i < REPEAT; i++) {  if (!set.has(`${i}`)) {    set.set(`${i}`, true)  }}

Object

const REPEAT = 1000000
const set = {}
for (let i = 0; i < REPEAT; i++) {
  if (!set[`${i}`]) {
    set[`${i}`] = true
  }
}

 
const REPEAT = 1000000const set = {}for (let i = 0; i < REPEAT; i++) {  if (!set[`${i}`]) {    set[`${i}`] = true  }}