Run results for: toLowerCase vs RegExp

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/134.0.0.0 Safari/537.36

Browser: Chrome 134

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

uppercase

72.7M/s

RegExp + i

18.6M/s

View exact numbers

Test name	Executions per second
✓ uppercase	72,673,384 Ops/sec
RegExp + i	18,636,244 Ops/sec

Script Preparation code:

var str = "This is a simple test!";

Tests: