Run results for: 4-element Array.slice() vs. Spread operator

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

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Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:141.0) Gecko/20100101 Firefox/141.0
Firefox 141
Windows
Desktop
9 months ago
Test name Executions per second
Array.slice() 91900024.0 Ops/sec
Spread operator 48788420.0 Ops/sec
Array.slice() with start and end 91066064.0 Ops/sec
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Tests:

  • Array.slice()

  • Spread operator

  • Array.slice() with start and end