Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_5) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/84.0.4147.125 Safari/537.36
Chrome 84
Mac OS X 10.15.5
Desktop
4 years ago
Test name Executions per second
Instanceof 2188951.0 Ops/sec
isArray 2149102.0 Ops/sec
variable.constructor 2195340.5 Ops/sec
variable.constructor name 3170627.2 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name