Run results for: Delete vs filter for objects

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Benchmark engine: Benchmark.js

delete

110.4M/s

filter

3.7M/s

View exact numbers

Test name	Executions per second
✓ delete	110,431,720 Ops/sec
filter	3,729,394 Ops/sec

Script Preparation code:

var obj = {
  a:1,
  b:2,
  c:3
}

Tests:

delete
delete obj.a
filter
const res = Object.fromEntries(Object.entries(obj).filter(k => k !== 'a'))