Run results for: includes + toLowerCase vs RegExp + i

Run details:

User agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/109.0

Browser: Firefox 109

Operating system: Ubuntu

Device Platform: Desktop

Date tested: 10 months ago

Test name	Executions per second
lowercase + includes	22246740.0 Ops/sec
RegExp + i	7950411.0 Ops/sec

Script Preparation code:

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

Tests: