Run results for: RegExp constructor vs literal

Run details:

User agent: Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Linux

Device Platform: Desktop

Date tested: 2 years ago

Literal

7.4M/s

new RegExp()

7.1M/s

View exact numbers

Test name	Executions per second
✓ Literal	7,350,608 Ops/sec
new RegExp()	7,102,407 Ops/sec

Script Preparation code:

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

Tests: