Run results for: Map.get() vs Array.find()

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/139.0.0.0 Safari/537.36

Browser: Chrome 139

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 8 months ago

Test name	Executions per second
Array.find()	23630.3 Ops/sec
Map.get()	101818848.0 Ops/sec

Script Preparation code:

dataArr = [...Array(10000)].map((_, id) => ({ id, data: Math.random() }));
dataMap = new Map(dataArr.map(v => [v.id, v]));

Tests:

Array.find()
dataArr.find((item) => item.id === Math.floor(Math.random() * 10000))
Map.get()
dataMap.get(Math.floor(Math.random() * 10000))