Benchmark: Spread first vs map first then Array.from

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

let foo = new Map();
for (let i = 0; i < 1_000_000; i++) {
  foo.set(i, i % 8);
}

Tests:

Spread first then map
[...foo.entries()].map(([i, iMod8]) => [i, iMod8.toString()])
Map first then Array.from
Array.from(foo.entries().map(([i, iMod8]) => [i, iMod8.toString()]))

Rendered benchmark preparation results:

Previous results

Test case name	Result
Spread first then map
Map first then Array.from

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36

Browser/OS: Chrome 136 on Mac OS X 10.15.7

Map first then Array.from

17/s

Spread first then map

10/s

View exact numbers

Test name	Executions per second
✓ Map first then Array.from	17 Ops/sec
Spread first then map	10 Ops/sec

Spread first vs map first then Array.from (version: 1)