Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.83 Safari/537.36
Chrome 85
Windows
Desktop
4 years ago
Test name Executions per second
Array.flat 363418.2 Ops/sec
isArray check 933565.2 Ops/sec
Script Preparation code:
Tests:
  • Array.flat

  • isArray check