Run results for: Map lookup 3

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:87.0) Gecko/20100101 Firefox/87.0

Browser: Firefox 87

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
string	53669.7 Ops/sec
number	849412.0 Ops/sec
array	847452.0 Ops/sec
map	517750.5 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++) { someMap[i] = someMap[i] * 2 }
number
let someMapNumber = {} for (let i = 0; i < 100; i++) { someMapNumber[i] = i * 2 } for (let i = 0; i < 100; i++) { someMapNumber[i] = someMapNumber[i] * 2 }
array
let array = [] for (let i = 0; i < 100; i++) { array.push(i * 2) } for (let i = 0; i < 100; i++) { array[i] = array[i] * 2 }
map
let someMap = new Map() for (let i = 0; i < 100; i++) { someMap[i] = i * 2 } for (let i = 0; i < 100; i++) { someMap[i] = someMap[i] * 2 }

Run results for: Map lookup 3

string

number

array

map