Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.138 Safari/537.36 OPR/68.0.3618.125
Opera 68
Windows
Desktop
4 years ago
Test name Executions per second
Instanceof 1299014.4 Ops/sec
isArray 1262801.0 Ops/sec
variable.constructor 1292642.2 Ops/sec
variable.constructor name 1826015.6 Ops/sec
Script Preparation code:
Tests:
  • Instanceof

  • isArray

  • variable.constructor

  • variable.constructor name