Benchmark: Array merging - MeasureThat.net

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 = [
  { a: 'oh', b: 'my' },
  { c: 'goddess' },
  { a: 'anime'},
  { b: 'is', c: 'cool' }
];

Tests:

lodash assign from loop
var c = {}; _.forEach(a, (val, key) => { _.assign(c, {key: val}); });
object.assign from loop
var c = {}; _.forEach(a, (val, key) => { Object.assign(c, {key: val}); });
spread from loop
var c = {}; _.forEach(a, (val, key) => { c = {...c, key: val}; });
Manual forEach
var c = {}; _.forEach(a, (val, key) => { c[key] = val; });
lodash merge with spread
var c = {}; _.merge(c, ...a);
object assign with spread
var c = {}; Object.assign(c, ...a);

Rendered benchmark preparation results:

Previous results

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Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/108.0.0.0 Safari/537.36

Browser/OS: Chrome 108 on Windows

Array merging (version: 2)