Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.4 Safari/605.1.15
Safari 16
Mac OS X 10.15.7
Desktop
one year ago
Test name Executions per second
Instanceof 3021156.0 Ops/sec
isArray 3048939.2 Ops/sec
variable.constructor 3016366.2 Ops/sec
variable.constructor name 4713364.0 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name