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Run results for: Array.from vs Spread with undefined and map

Compare using Array.from vs Spread syntax to create an array with a fixed length and then map over it

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Run details:
Mozilla/5.0 (Android 4.4.2; Tablet; rv:68.0) Gecko/68.0 Firefox/68.0
Android 4
Android 4.4.2
Tablet
4 years ago
Test name Executions per second
Array.from 88220.7 Ops/sec
Spread 110126.6 Ops/sec
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Tests:

  • Array.from

  • Spread