MeasureThat.net

Run results for: Array.from() vs new Array().fil() vs [..Array()]

Testing the difference between creating filled arrays.

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Run details:
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36
Chrome 105
Linux
Desktop
2 years ago
Test name Executions per second
new Array().fill() 152709.2 Ops/sec
Array.from() 39040.2 Ops/sec
[...Array()] 157252.8 Ops/sec
Script Preparation code:
Tests:

  • new Array().fill()

  • Array.from()

  • [...Array()]