Run results for: Object.assign vs spread operator : owntest v2

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.105 Safari/537.36 Vivaldi/2.4.1488.38

Browser: Chrome 73

Operating system: Windows

Device Platform: Desktop

Date tested: 5 years ago

HTML Preparation code:

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

Tests:

Object.assign
const messageInternal = { a: 1 , b: 2 }; const message = { id: 1111, name: 'SOME', isActive: 1, country: 'USA', createdAt: '2013-09-26T16:35:41.047Z', updatedAt: '2013-09-26T16:35:41.057Z', createdBy: '', updatedBy: '', things: [ 34, 86 ], internal: messageInternal }; var other = Object.assign({ a: 2 }, message);
spread operator
const messageInternal = { a: 1 , b: 2 }; const message = { id: 1111, name: 'SOME', isActive: 1, country: 'USA', createdAt: '2013-09-26T16:35:41.047Z', updatedAt: '2013-09-26T16:35:41.057Z', createdBy: '', updatedBy: '', things: [ 34, 86 ], internal: messageInternal }; var other = { a: 2, ...message };
lodash clonedeep
const messageInternal = { a: 1 , b: 2 }; const message = { id: 1111, name: 'SOME', isActive: 1, country: 'USA', createdAt: '2013-09-26T16:35:41.047Z', updatedAt: '2013-09-26T16:35:41.057Z', createdBy: '', updatedBy: '', things: [ 34, 86 ], internal: messageInternal }; var other = _.cloneDeep(message);