Run results for: array construction comparison extended

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Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36
Chrome 135
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
new Array() 168084496.0 Ops/sec
Array.from() 95744.2 Ops/sec
[] + length 9738759.0 Ops/sec
[] + fill undefined 65529688.0 Ops/sec
[] + fill void 64461416.0 Ops/sec
new Array() zeroed 61723544.0 Ops/sec
Array.from zeroes 83717.4 Ops/sec
[] + fill zeroes 64671828.0 Ops/sec
New Array pre-allocated then zeroed 2120184.5 Ops/sec
Tests:

  • new Array()

  • Array.from()

  • [] + length

  • [] + fill undefined

  • [] + fill void

  • new Array() zeroed

  • Array.from zeroes

  • [] + fill zeroes

  • New Array pre-allocated then zeroed