Run results for: Map.values().toArray() vs Array.from(Map.values()) vs [...Map.values()]

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:145.0) Gecko/20100101 Firefox/145.0

Browser: Firefox 145

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 8 months ago

Map.values().toArray()

13K/s

[...Map.values()]

13K/s

Array.from(Map.values())

12K/s

View exact numbers

Test name	Executions per second
✓ Map.values().toArray()	12,877 Ops/sec
[...Map.values()]	12,586 Ops/sec
Array.from(Map.values())	12,214 Ops/sec

Script Preparation code:

const array = Array.from({length: 10_000}, () => Math.floor(Math.random() * 10_000_000));
const map = new Map();
array.forEach((x, i) => map.set(x, i));

Tests:

Map.values().toArray()
return map.values().toArray();
Array.from(Map.values())
return Array.from(map.values());
[...Map.values()]
return [...map.values()];