Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36
Chrome 76
Windows
Desktop
4 years ago
Test name Executions per second
Instanceof 2095729.1 Ops/sec
isArray 2101740.5 Ops/sec
variable.constructor 2109544.2 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name