4-element 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

Created: one year ago by: Guest
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Previous results
  • Test case name Result
    Array.slice()
    Spread operator
    Array.slice() with start and end

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: 11 months ago)
Mozilla/5.0 (X11; Linux x86_64; rv:128.0) Gecko/20100101 Firefox/128.0
Firefox 128 on Linux
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Array.slice()
12.3M/s
Spread operator
7.2M/s
Array.slice() with start and end
7.0M/s
View exact numbers
Test name Executions per second
✓ Array.slice() 12,292,018 Ops/sec
Spread operator 7,243,843 Ops/sec
Array.slice() with start and end 6,956,644 Ops/sec

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