Run details:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/89.0.4389.82 Safari/537.36
Chrome 89
Windows
Desktop
3 years ago
Test name Executions per second
function declaration 277.6 Ops/sec
class 152.6 Ops/sec
class 2 231.8 Ops/sec
var function expression 294.9 Ops/sec
let function expression 332.7 Ops/sec
const function expression 286.3 Ops/sec
Script Preparation code:
Tests:
  • function declaration

  • class

  • class 2

  • var function expression

  • let function expression

  • const function expression