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 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36
Chrome 134
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Array.slice() 83556752.0 Ops/sec
Spread operator 68265576.0 Ops/sec
Array.slice() with start and end 52698144.0 Ops/sec
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Tests:

  • Array.slice()

  • Spread operator

  • Array.slice() with start and end