Run results for: proxy access vs function vs getter

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

obj with getter

7.3M/s

function access

7.1M/s

baseline property access

7.0M/s

proxy access

6.9M/s

View exact numbers

Test name	Executions per second
✓ obj with getter	7,334,698 Ops/sec
function access	7,098,264 Ops/sec
baseline property access	7,018,421 Ops/sec
proxy access	6,909,716 Ops/sec

HTML Preparation code:

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

Script Preparation code:

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

Tests:

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