Tests:
  • spread operator

    AخA
     
    const firstObject = { sampleData: 'Hello world' }
    const secondObject = { moreData: 'foo bar' }
    const finalObject = {
        ...firstObject,
        ...secondObject
    };
  • object assign (plain object)

     
    const firstObject = { sampleData: 'Hello world' }
    const secondObject = { moreData: 'foo bar' }
    const finalObject = Object.assign({}, firstObject, secondObject);
Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

  • Test case name Result
    spread operator
    object assign (plain object)

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Linux; Android 10; GM1910) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.134 Mobile Safari/537.36
Chrome Mobile 91 on Android
View result in a separate tab
Test name Executions per second
spread operator 748335.6 Ops/sec
object assign (plain object) 1124608.0 Ops/sec