Run results for: Clone tests

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36

Browser: Chrome 128

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Spread

6.8M/s

JSON

687K/s

deep clone

682K/s

View exact numbers

Test name	Executions per second
✓ Spread	6,849,578 Ops/sec
JSON	687,156 Ops/sec
deep clone	681,803 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 biggishObject = {
  name: "Sam Wiseman III",
  address: '1234 Orchid Drive, /n Minneapolis, MN',
  favoriteColors:['blue','green', 'silver'],
  homeTown: "Seattle, WA",
  pets: true,
  petNames: ['Cabbage', 'Nancy','Tom Collins'],
  carDriven: {
    make: 'Toyota',
    model: 'GR 86',
    year: 2024,
    color: 'blue'
  },
  dob: '1972-07-30'
}

copy = null;

Tests:

deep clone
copy = _.cloneDeep(biggishObject)
Spread
copy = { ...biggishObject }
JSON
copy = JSON.parse(JSON.stringify(biggishObject))