MeasureThat.net

Run results for: JavaScript spread operator vs Object.assign performance (empty)

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/98.0.4758.102 Safari/537.36
Chrome 98
Windows
Desktop
3 years ago
Test name Executions per second
Using the spread operator 54205956.0 Ops/sec
Using Object.assign 3049310.0 Ops/sec
Tests:

  • Using the spread operator

    AخA
     
    const firstObject = { sampleData: 'Hello world' }
    const finalObject = {
        ...firstObject
    };

  • Using Object.assign

     
    const firstObject = { sampleData: 'Hello world' }
    const finalObject = Object.assign({}, firstObject);