Run results for: set has vs regex

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/136.0.0.0 Safari/537.36 Edg/136.0.0.0

Browser: Chrome 136

Operating system: Windows

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
set has	124292536.0 Ops/sec
regex	29673120.0 Ops/sec
in check	128578600.0 Ops/sec
hasOwnProperty	4243614.5 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')

Run results for: set has vs regex

set has

regex

in check

hasOwnProperty