Tests:
  • Array.prototype.concat Append

  • spread operator Append

  • Array.prototype.concat Preppend

  • spread operator Preppend

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    Array.prototype.concat Append
    spread operator Append
    Array.prototype.concat Preppend
    spread operator Preppend

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36
Chrome 111 on Linux
View result in a separate tab
Test name Executions per second
Array.prototype.concat Append 10973729.0 Ops/sec
spread operator Append 30906408.0 Ops/sec
Array.prototype.concat Preppend 9895801.0 Ops/sec
spread operator Preppend 20817246.0 Ops/sec


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