Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36
Chrome 85
Windows
Desktop
4 years ago
Test name Executions per second
Instanceof 926034.3 Ops/sec
isArray 917418.2 Ops/sec
variable.constructor 928470.4 Ops/sec
variable.constructor name 1312280.0 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name