HTML Preparation code:
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<script src='https://cdnjs.cloudflare.com/ajax/libs/lodash.js/4.17.5/lodash.min.js'></script>
Tests:
  • lodash assign

     
    var a = { a: 'oh', b: 'my' };
    var b = { c: 'goddess' };
    var c = _.assign(a, b);
  • object.assign

     
    var a = { a: 'oh', b: 'my' };
    var b = { c: 'goddess' };
    var c = Object.assign(a, b);
  • spread

     
    var a = { a: 'oh', b: 'my' };
    var b = { c: 'goddess' };
    var c = { ...a, ...b };
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    lodash assign
    object.assign
    spread

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 5 years ago)
Mozilla/5.0 (X11; Linux x86_64; rv:71.0) Gecko/20100101 Firefox/71.0
Firefox 71 on Linux
View result in a separate tab
Test name Executions per second
lodash assign 2518996.5 Ops/sec
object.assign 3177520.5 Ops/sec
spread 1555037.6 Ops/sec