Run results for: Reference vs Dereference with object containing array of 10 000 elements

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36

Browser: Chrome 71

Operating system: Mac OS X 10.14.2

Device Platform: Desktop

Date tested: 5 years ago

Test name	Executions per second
Reference	39368.5 Ops/sec
Dereference	32974.3 Ops/sec

Tests:

Reference
const size = 10000; const obj = { arr: Array(size).fill(1) }; let res; const ref = obj.arr; for (let i = 0; i < size; i++) { res = ref[i]; }
Dereference
const size = 10000; const obj = { arr: Array(size).fill(1) }; let res; for (let i = 0; i < size; i++) { res = obj.arr[i]; }