Run results for: Map lookup 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.128 Safari/537.36 Edg/89.0.774.77

Browser: Chrome 89

Operating system: Windows

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
string	1053.4 Ops/sec
number	1116.1 Ops/sec
array	1111.4 Ops/sec

Script Preparation code:

let someMap = {}
for (let i = 0; i < 100; i++) {
    someMap[`${i}-test`] = i * 2
}

let someMapNumber = {}
for (let i = 0; i < 100; i++) {
    someMap[i] = i * 2
}

Tests:

string
let someMap = {} for (let i = 0; i < 100; i++) { someMap[`${i}-test`] = i * 2 } for (let i = 0; i < 100; i++) { console.log(someMap[`${i}-test`]) }
number
let someMapNumber = {} for (let i = 0; i < 100; i++) { someMapNumber[i] = i * 2 } for (let i = 0; i < 100; i++) { console.log(someMapNumber[i]) }
array
let array = [] for (let i = 0; i < 100; i++) { array.push(i * 2) } for (let i = 0; i < 100; i++) { console.log(array[i]) }

Run results for: Map lookup 2

string

number

array