Run results for: Literal vs Constructor RegExp

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Literal RegExps

44.0M/s

Constructed RegExps

10.5M/s

View exact numbers

Test name	Executions per second
✓ Literal RegExps	43,989,120 Ops/sec
Constructed RegExps	10,458,753 Ops/sec

HTML Preparation code:

<!--your preparation HTML code goes here-->

Script Preparation code:

var elements = Array.of(1000000).fill(0)
var literalRegexps = elements.map(() => /a/)
var constructedRegexps = elements

Tests:

Literal RegExps
literalRegexps.forEach((r) => r.test('aaaa'))
Constructed RegExps
constructedRegexps.forEach((r) => new RegExp('a'.replace(/a/g, 'b')).test('aaaa'))