Run results for: Array isArray vs typeof

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/129.0.0.0 Safari/537.36

Browser: Chrome 129

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

typeof

3.0M/s

isArray

2.1M/s

View exact numbers

Test name	Executions per second
✓ typeof	3,040,152 Ops/sec
isArray	2,052,444 Ops/sec

Script Preparation code:

var test = [1,2,3,4];
var c;

Tests: