Run results for: Array isArray vs typeof

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

typeof

9.1M/s

isArray

738K/s

View exact numbers

Test name	Executions per second
✓ typeof	9,149,529 Ops/sec
isArray	737,895 Ops/sec

Script Preparation code:

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

Tests: