Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.129 Safari/537.36
Chrome 81
Windows
Desktop
4 years ago
Test name Executions per second
Double ampersand 2465501.8 Ops/sec
Optional chaining 3349833.5 Ops/sec
Script Preparation code:
Tests:
  • Double ampersand

  • Optional chaining