Run results for: Lodash omit vs Native delete - Ankur

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:76.0) Gecko/20100101 Firefox/76.0

Browser: Firefox 76

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Native delete	1634672.0 Ops/sec
Lodash omit	245176.1 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 = {
    abf: 'asd',
    message: 'koko',
   _id: '{{objectId()}}',
    index: '{{index()}}',
    guid: '{{guid()}}',
    isActive: '{{bool()}}',
    balance: '{{floating(1000, 4000, 2, "$0,0.00")}}',
    picture: 'http://placehold.it/32x32',
    age: '{{integer(20, 40)}}',
    eyeColor: '{{random("blue", "brown", "green")}}',
    name: '{{firstName()}} {{surname()}}',
    gender: '{{gender()}}',
    company: '{{company().toUpperCase()}}',
    email: '{{email()}}',
    phone: '+1 {{phone()}}',
    address: '{{integer(100, 999)}} {{street()}}, {{city()}}, {{state()}}, {{integer(100, 10000)}}',
    about: '{{lorem(1, "paragraphs")}}',
    registered: '{{date(new Date(2014, 0, 1), new Date(), "YYYY-MM-ddThh:mm:ss Z")}}',
    latitude: '{{floating(-90.000001, 90)}}',
    longitude: '{{floating(-180.000001, 180)}}'
}

keysToOmit = ['longitude', 'gender', 'guid', 'abf']

Tests:

Native delete
Object.keys(data).forEach((key) => { keysToOmit.includes(key) && delete data[key]; }); return { data }
Lodash omit
return { data: _.omit(data, keysToOmit) }