Run results for: delete vs omit

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 17_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) GSA/285.0.570543384 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 17

Operating system: iOS 17.2

Device Platform: Mobile

Date tested: one year ago

Test name	Executions per second
omit	1677618.8 Ops/sec
delete	12024715.0 Ops/sec

HTML Preparation code:


<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>

Script Preparation code:

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

Tests:

omit
_.pick(a, ['b'])
delete
delete a.c