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 Array.prototype.concat vs spread operator (version: 0)

Compare the new ES6 spread operator with the traditional concat() method

Comparing performance of: slice vs spread operator vs concat into empty array

Created: 6 years ago by: Guest
Jump to the latest result
Script Preparation code:
Tests:

  • slice

  • spread operator

  • concat into empty array

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    slice
    spread operator
    concat into empty array

    Fastest: N/A

    Slowest: N/A

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Latest run results:
Run details: (Test run date: 3 years ago)
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.121 Safari/537.36
Chrome 85 on Mac OS X 10.14.6
View result in a separate tab
Test name Executions per second
slice 14373890.0 Ops/sec
spread operator 13028040.0 Ops/sec
concat into empty array 5165449.0 Ops/sec