Run results for: Object Keys vs Entries 2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36

Browser: Chrome 105

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Keys	392350.8 Ops/sec
Entries	631390.8 Ops/sec

Tests:

Keys
const test = { level_id_1: {id: 1}, level_id_2: {id: 2}, level_id_3: {id: 3}, } Object.keys(test).map(keys => { let a = {}; const keysplit = keys.split('_'); const level = keysplit[keysplit.length - 1]; a[`level${level}_id`] = test[keys]?.id; return a; })
Entries
const test = { level_id_1: {id: 1}, level_id_2: {id: 2}, level_id_3: {id: 3}, } Object.entries(test).map(entry => { let a = {}; const keysplit = entry[0]; const level = keysplit[keysplit.length - 1]; a[`level${level}_id`] = entry[1]?.id; return a; })