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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 (Macintosh; Intel Mac OS X 10.12; rv:70.0) Gecko/20100101 Firefox/70.0
Firefox 70
Mac OS X 10.12
Desktop
4 years ago
Test name Executions per second
Array.from 442034.4 Ops/sec
Spread 513911.5 Ops/sec
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Tests:

  • Array.from

  • Spread