Run results for: Array.isArray(array) vs. typeof string

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/130.0.0.0 Safari/537.36

Browser: Chrome 130

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

typeof str === string

164.6M/s

Array.isArray(arr)

132.5M/s

View exact numbers

Test name	Executions per second
✓ typeof str === string	164,620,320 Ops/sec
Array.isArray(arr)	132,490,712 Ops/sec

Script Preparation code:

const arr = ["foo"];
const str = "foo";

Tests: