Run results for: for-in vs object.keys (break test)

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:137.0) Gecko/20100101 Firefox/137.0

Browser: Firefox 137

Operating system: Ubuntu

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

for-in

11K/s

Object.keys

3K/s

View exact numbers

Test name	Executions per second
✓ for-in	10,562 Ops/sec
Object.keys	3,046 Ops/sec

Script Preparation code:

var obj = {
  'a': 1,
  'b': 1,
  'c': 1,
  'd': 1,
  'e': 1,
  'f': 1,
  'g': 1
};

Tests: