Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.16; rv:86.0) Gecko/20100101 Firefox/86.0
Firefox 86
Mac OS X 10.16
Desktop
3 years ago
Test name Executions per second
Boolean 29613.0 Ops/sec
x => !!x 60971.3 Ops/sec
x => x 68077.7 Ops/sec
delete + .flat 20706.2 Ops/sec
own implementation 57443.9 Ops/sec
Script Preparation code:
Tests:
  • Boolean

  • x => !!x

  • x => x

  • delete + .flat

  • own - preserve length

  • own