Run results for: Pre-created regexp vs created every time

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15

Browser: Safari 16

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
pre-created	10441685.0 Ops/sec
created every time	5508650.0 Ops/sec

Script Preparation code:

var preCreated = new RegExp('^dep:(first|second|third|fourth|fifth)$');

Tests:

pre-created
preCreated.test('dep:fifth');
created every time
(new RegExp('^dep:(first|second|third|fourth|fifth)$')).test('dep:fifth');