Run results for: Array from() vs Map.keys() vs Map.values() vs spread

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

Map.keys

4K/s

Map.values

3K/s

Array.from

2K/s

Spread ...

2K/s

View exact numbers

Tests:

Array.from
var fooMap = new Map(); for(var i=0;i<10000;i++) { fooMap.set(i, i); } var other = [...fooMap];
Map.keys
var fooMap = new Map(); for(var i=0;i<10000;i++) { fooMap.set(i, i); } var other = fooMap.keys();
Map.values
var fooMap = new Map(); for(var i=0;i<10000;i++) { fooMap.set(i, i); } var other = fooMap.values();
Spread ...
var fooMap = new Map(); for(var i=0;i<10000;i++) { fooMap.set(i, i); } var other = [...fooMap];