Run results for: Accessing Arrays vs Objects properties

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:146.0) Gecko/20100101 Firefox/146.0

Browser: Firefox 146

Operating system: Windows

Device Platform: Desktop

Date tested: 7 months ago

Object access

84/s

Array access

73/s

View exact numbers

Test name	Executions per second
✓ Object access	84 Ops/sec
Array access	73 Ops/sec

Script Preparation code:

array = [32, 24, 2, 4];
object = { width: 32, height: 24, foo: 2, bar: 4 };

loops = 1000000;
sum = 0;

Tests:

Array access
sum = 0; for(let i = 0; i < loops; i++) { sum += array[0] + array[1] + array[2] + array[3] + i; }
Object access
sum = 0; for(let i = 0; i < loops; i++) { sum += object.width + object.height + object.foo + object.bar + 1; }