Run results for: Regex type checking comparison

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

Benchmark engine: Benchmark.js

test property

19.6M/s

instanceof

7.6M/s

View exact numbers

Test name	Executions per second
✓ test property	19,638,160 Ops/sec
instanceof	7,587,502 Ops/sec

Script Preparation code:

var regex = /[a-z]/i;

Tests: