Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:76.0) Gecko/20100101 Firefox/76.0
Firefox 76
Windows
Desktop
4 years ago
Test name Executions per second
Instanceof 22322688.0 Ops/sec
isArray 14728408.0 Ops/sec
variable.constructor 21721200.0 Ops/sec
variable.constructor name 22559964.0 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name