Run results for: includes + toLowerCase vs RegExp + i

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64; rv:130.0) Gecko/20100101 Firefox/130.0

Browser: Firefox 130

Operating system: Linux

Device Platform: Desktop

Date tested: one year ago

lowercase + includes

1643.9M/s

RegExp + i

7.2M/s

View exact numbers

Test name	Executions per second
✓ lowercase + includes	1,643,851,136 Ops/sec
RegExp + i	7,243,736 Ops/sec

Script Preparation code:

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

Tests: