Run results for: Map values to array

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36

Browser: Chrome 142

Operating system: Linux

Device Platform: Desktop

Date tested: 8 months ago

Spread syntax

2K/s

MapIterator

451/s

for-of values()

417/s

for-of entries()

353/s

for-of values(), preallocated holey Array

109/s

View exact numbers

Test name	Executions per second
✓ Spread syntax	2,395 Ops/sec
MapIterator	451 Ops/sec
for-of values()	417 Ops/sec
for-of entries()	353 Ops/sec
for-of values(), preallocated holey Array	109 Ops/sec

HTML Preparation code:

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

Script Preparation code:

const DATA = new Map();

for (let i = 0; i < 100_000; ++i)
  DATA.set(i * Math.random(), Math.random() * 1000);

Tests:

MapIterator
DATA.values().toArray()
Spread syntax
[...DATA.values()]
for-of entries()
let arr = []; for (const v of DATA) arr.push(v[1]); arr
for-of values()
let arr = []; for (const v of DATA.values()) arr.push(v); arr
for-of values(), preallocated holey Array
let arr = new Array(100_000); for (const v of DATA.values()) arr.push(v); arr