Tests:
  • Array.prototype.concat

  • spread operator

  • Push

  • Object.assign

  • slice(0)

  • slice

  • Array.from

  • for loop

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    Array.prototype.concat
    spread operator
    Push
    Object.assign
    slice(0)
    slice
    Array.from
    for loop

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: one month ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Chrome 122 on Windows
View result in a separate tab
Test name Executions per second
Array.prototype.concat 16471800.0 Ops/sec
spread operator 56659110.0 Ops/sec
Push 63194610.0 Ops/sec
Object.assign 2000559.0 Ops/sec
slice(0) 124535500.0 Ops/sec
slice 127008300.0 Ops/sec
Array.from 14255730.0 Ops/sec
for loop 15673600.0 Ops/sec