MeasureThat.net

Run results for: lodash merge vs object.assign vs spread new obj

Go to the benchmark
Run details:
Mozilla/5.0 (Linux; Android 8.0.0; SM-N950F Build/R16NW) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Mobile Safari/537.36
Chrome Mobile 69
Android 8.0.0
Mobile
6 years ago
Test name Executions per second
lodash merge 147018.5 Ops/sec
object.assign 657434.0 Ops/sec
spread 358438.6 Ops/sec
HTML Preparation code:
​x
 
1
​
2
<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' };
var b = { c: 'goddess', d: 'a', e: 'b', j: { asd: 'test' } };
Tests:

  • lodash merge

     
    var c = _.merge({}, a, b);

  • object.assign

     
    ​
    var c = Object.assign({}, a, b);

  • spread

     
    var c = { ...a, ...b };