Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36
Chrome 121
Windows
Desktop
10 months ago
Test name Executions per second
Instanceof 3112938.8 Ops/sec
isArray 3117526.5 Ops/sec
variable.constructor 3173974.0 Ops/sec
variable.constructor name 4428698.5 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name