4-number (float) Array.slice() vs. Spread operator (version: 1)

For times when a shallow copy of an Array is needed, what is the performance difference between these 2 methods.

Comparing performance of: Array.slice() vs Spread operator vs Array.slice() with start and end vs Array.slice() with start

Created: one year ago by: Guest
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HTML Preparation code:
Script Preparation code:
Tests:

  • Array.slice()

  • Spread operator

  • Array.slice() with start and end

  • Array.slice() with start

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    Array.slice()
    Spread operator
    Array.slice() with start and end
    Array.slice() with start

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one year ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36
Chrome 136 on Windows
View result in a separate tab
Test name Executions per second
Array.slice() 61513672.0 Ops/sec
Spread operator 49921676.0 Ops/sec
Array.slice() with start and end 37365900.0 Ops/sec
Array.slice() with start 64476800.0 Ops/sec
Related benchmarks: