Run results for: foreach vs spread operator 2

Run details:

User agent: Mozilla/5.0 (Linux; Android 11; M2101K6G) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.85 Mobile Safari/537.36

Browser: Chrome Mobile 94

Operating system: Android

Device Platform: Mobile

Date tested: 3 years ago

Test name	Executions per second
forEach	14951237.0 Ops/sec
spread operator	7310126.5 Ops/sec

Tests:

forEach
var a = {'1': 1, '2': 2, '3': 3, '4': 4} var b = [{id: 5}, {id: 6}, {id: 7}, {id: 8}] b.forEach(x => { a[x.id] = x })
spread operator
var a = {'1': 1, '2': 2, '3': 3, '4': 4} var b = [{id: 5}, {id: 6}, {id: 7}, {id: 8}] a = {...a, ...b.reduce((obj, item) => { obj[item.id]; return obj }, {})}