Run results for: proxy access vs function access

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_0 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.0

Device Platform: Mobile

Date tested: one year ago

baseline property access

16.3M/s

function access

14.3M/s

proxy access

13.5M/s

View exact numbers

Test name	Executions per second
✓ baseline property access	16,254,659 Ops/sec
function access	14,327,521 Ops/sec
proxy access	13,545,527 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

function useTest() {
    const obj = {
        a: 'something'
    }

    const proxy = new Proxy(obj, {
        get(target, key) {
            return target[key]
        }
    })

    function getA() {
        return obj.a
    }
  
    return {
        obj,
        proxy,
        getA
    }
}

Tests:

baseline property access
const {obj} = useTest() const a = obj.a
function access
const {getA} = useTest() const a =getA()
proxy access
const {proxy} = useTest() const a = proxy.a