Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.1 Safari/605.1.15
Safari 18
Mac OS X 10.15.7
Desktop
5 months ago
Test name Executions per second
Arrow function 15488297.0 Ops/sec
Normal function 15412181.0 Ops/sec
Script Preparation code:
AخA
 
arrowFn = (a, b) => a + b;
fn = function(a, b) {
    return a + b;
};
Tests:
  • Arrow function

     
    arrowFn()
  • Normal function

     
    fn()