Run results for: _.omit vs delete of map

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36 OPR/82.0.4227.58

Browser: Opera 82

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Delete of map	1775021.0 Ops/sec
Omit	383155.8 Ops/sec

HTML Preparation code:

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

Script Preparation code:

data = { a:'koko',b:'koko',c:'koko',d:'koko',e:'koko',f:'koko',g:'koko',h:'koko',i:'koko',x:'asd' }

Tests:

Delete of map
['a','x'].map(key => delete data.key) return data
Omit
return _.omit(data, ['a','x'])

Run results for: _.omit vs delete of map

Perf lodash.omit vs Object.keys().filter

Delete of map

Omit