Run results for: set has vs regex

Run details:

User agent: Mozilla/5.0 (X11; CrOS x86_64 14541.0.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/132.0.0.0 Safari/537.36

Browser: Chrome 132

Operating system: Chrome OS 14541.0.0

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
set has	50891272.0 Ops/sec
regex	12697668.0 Ops/sec
in check	48924532.0 Ops/sec
hasOwnProperty	2707907.2 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