Run results for: RegExp constructor vs literal

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:138.0) Gecko/20100101 Firefox/138.0

Browser: Firefox 138

Operating system: Mac OS X 10.15

Device Platform: Desktop

Date tested: one year ago

Literal

22.8M/s

new RegExp()

22.3M/s

View exact numbers

Test name	Executions per second
✓ Literal	22,834,990 Ops/sec
new RegExp()	22,266,942 Ops/sec

Script Preparation code:

var reConstructor = new RegExp('^[0-9a-fA-F]{24}$')
var reLiteral = /^[0-9a-fA-F]{24}$/

Tests: