Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 Edg/110.0.1587.63
Chrome 110
Windows
Desktop
2 years ago
Test name Executions per second
Using the spread operator 83125040.0 Ops/sec
Using Object.assign 7114264.0 Ops/sec
Tests:
  • Using the spread operator

    AخA
     
    const secondObject = {sampleData: 'Hello world', moreData: 'foo bar' }
    const finalObject = {
        ...secondObject
    };
  • Using Object.assign

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