Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/131.0.0.0 Safari/537.36
Chrome 131
Windows
Desktop
one year ago
Benchmark.js
Object.Keys() with For-Each Loop
8K/s
For-In Loop
6K/s
Object.Entries() with For-Each Loop
3K/s
Object.Assign()
1K/s
Spread
1K/s
View exact numbers
Test name Executions per second
Object.Keys() with For-Each Loop 7,718 Ops/sec
For-In Loop 5,936 Ops/sec
Object.Entries() with For-Each Loop 3,291 Ops/sec
Object.Assign() 1,185 Ops/sec
Spread 1,108 Ops/sec
Script Preparation code:
Tests: