Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/87.0.4280.88 Safari/537.36
Chrome 87
Windows
Desktop
3 years ago
Test name Executions per second
Instanceof 1681746.2 Ops/sec
isArray 1574516.0 Ops/sec
variable.constructor 1400186.0 Ops/sec
variable.constructor name 2154733.2 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name