Benchmark: Array.from vs map - MeasureThat.net

Tests:

Array.from
Array.from({ length: 10 }, i => i)
Map
new Array(10).map(i => i);
Loop
const arr = new Array(10); for (let i = 0; i < 10; i++) arr[i] = i
Loop push
const arr = [] for (let i = 0; i < 10; i++) arr.push(i)

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Array.from
Map
Loop
Loop push

Fastest: N/A

Slowest: N/A

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Latest run results:

Run details: (Test run date: 5 days ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:126.0) Gecko/20100101 Firefox/126.0

Browser/OS: Firefox 126 on Windows

View result in a separate tab

Test name	Executions per second
Array.from	9393504.0 Ops/sec
Map	23247670.0 Ops/sec
Loop	30177040.0 Ops/sec
Loop push	21948770.0 Ops/sec