MeasureThat.net

Run results for: Splice+Spread vs concat to concat arrays

Comparing performance of: Splice and Spread vs Concat to concatenate arrays

Go to the benchmark
Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.96 Safari/537.36
Chrome 88
Linux
Desktop
4 years ago
Test name Executions per second
Splice + Spread 5860577.5 Ops/sec
Concat 4847324.0 Ops/sec
Tests:

  • Splice + Spread

    AخA
     
    const arrayOne = [1, 2, 3];
    const arrayTwo = [4, 5, 6];
    arrayOne.splice(0, 0, ...arrayTwo);

  • Concat

     
    const arrayOne = [1, 2, 3];
    const arrayTwo = [4, 5, 6];
    const arrayConcat = arrayOne.concat(arrayTwo);