Run results for: Object.values vs Object.keys iteration perf

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/120.0.0.0 Safari/537.36

Browser: Chrome 120

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Object.values	102225.1 Ops/sec
Object.keys	50957.0 Ops/sec

Tests:

Object.values
const myObj = {}; for (let i = 0; i < 1000; i += 1) { myObj[i] = { key: i, value: 1 }; } Object.values(myObj).forEach(function(o) { const key = o.key; const value = o.value; });
Object.keys
const myObj = {}; for (let i = 0; i < 1000; i += 1) { myObj[i] = { key: i, value: 1 }; } Object.keys(myObj).forEach(function(id) { const o = myObj[id]; const key = o.key; const value = o.value; });