Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36 Edge/18.18362
Edge 18.18362
Windows
Desktop
4 years ago
Test name Executions per second
Instanceof 1703089.5 Ops/sec
isArray 1407581.9 Ops/sec
variable.constructor 1636939.6 Ops/sec
variable.constructor name 4664006.0 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name