Run results for: set has vs regex

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/135.0.0.0 Safari/537.36

Browser: Chrome 135

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

set has

178.3M/s

in check

169.9M/s

regex

38.0M/s

hasOwnProperty

7.2M/s

View exact numbers

Test name	Executions per second
✓ set has	178,329,968 Ops/sec
in check	169,935,040 Ops/sec
regex	38,036,644 Ops/sec
hasOwnProperty	7,163,939 Ops/sec

HTML Preparation code:

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

Script Preparation code:

let str = `qwertyuiopasdfghjklzxcvbnm`.split('')
let set = new Set(str)
let regex = RegExp(str.join('|'))
let obj = Object.fromEntries(str.map(o=>[str,str]))
let hop = hasOwnProperty.bind(obj)

Tests:

set has
set.has('1') set.has('m')
regex
regex.test('1') regex.test('m')
in check
1 in obj 'm'in obj
hasOwnProperty
hop(obj, 1) hop(obj, 'm')