Run results for: Arrow function vs normal function comparison

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 14_6 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/15E148 [FBAN/FBIOS;FBDV/iPhone12,1;FBMD/iPhone;FBSN/iOS;FBSV/14.6;FBSS/2;FBID/phone;FBLC/vi_VN;FBOP/5]

Browser: Mobile Safari 14

Operating system: iOS 14.6

Device Platform: Mobile

Date tested: 2 years ago

Test name	Executions per second
Arrow function	9123684.0 Ops/sec
Normal function	8739978.0 Ops/sec

Script Preparation code:

arrowFn = (a, b) => a + b;
fn = function(a, b) {
    return a + b;
};

Tests:

Arrow function
arrowFn()
Normal function
fn()

Run results for: Arrow function vs normal function comparison

Arrow function

Normal function