Run results for: array.length = 0 vs []

Run details:

User agent: Mozilla/5.0 (iPhone; CPU iPhone OS 18_0_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/18.0.1 Mobile/15E148 Safari/604.1

Browser: Mobile Safari 18

Operating system: iOS 18.0.1

Device Platform: Mobile

Date tested: one year ago

array length = 0

22.7M/s

array = []

19.3M/s

View exact numbers

Test name	Executions per second
✓ array length = 0	22,651,916 Ops/sec
array = []	19,321,104 Ops/sec

Script Preparation code:

var arr = [1,2,3,4];

Tests:

array length = 0
arr.length = 0
array = []
arr = []