Latest JavaScript performance benchmarks

Current vs W/o Recursion vs Current w/ push

Math.pow vs ** vs *

Math.imul vs a * b

Switch with union narrowing vs Record lookup plus common fields vs Typed reduce callback

mod forEach (O (n)) vs mod for (O (n)) vs filter (O (n))

Set + Spread vs Array.from(Set) vs filter & indexOf

Test with functions vs Test with direct access

Spread vs Concat vs Splice

Object.assign vs Spread operator

indexOf vs includes vs RegExp.test

Array.flat vs reduce & concat vs Spread & concat

Math.floor vs Bitwise OR (| 0) vs Double NOT (~~)

Default param vs Logical OR vs Nullish Coalescing

Set.prototype.has vs Array.prototype.includes vs Set.prototype.difference

func1 vs func2

Recursive vs Iterative vs Memoized

Spread vs Concat vs Splice

Math.max.apply vs Math.max(...arr) vs for loop

Map.get vs Object lookup

Indexed order scoring (monomorphic Map + typed array) vs Polymorphic order normalization (mixed shapes + Set tags)

Nullish Coalescing (??) vs Logical OR (||)

test1 vs test2 vs test3

structuredClone vs spread destruct vs manual 1

Array.isArray() vs instanceof Array vs Object.prototype.toString

No function vs normal function vs Inline function

Basic vs Table lookup

Array.map vs Array.from vs for loop

log vs stringify

delete vs omit vs undefined

arr vs singly Llist vs double Llist

1 vs 2

Object.keys() vs Object.entries() vs for...in loop

Native sort vs Bubble Sort vs Quick Sort

in operator vs hasOwnProperty vs undefined check

mul vs f mul vs pow

Object buckets vs Map buckets vs Generic group helper

for loop vs forEach vs for...of

Regex with unicode flag vs Regex matching surrogate pairs vs Array from

mod forEach + push vs for (step +1) + push vs filter

Number math vs BigInt math

array vs Llist

array vs Llist

keys includes vs for in vs array + object for in

Plus operator (+) vs Template literals vs Array join

clsx src/index.js vs cls-v1.js vs cls-v2.js

Array.push vs Array.unshift

Set.has vs Array.includes vs Array.indexOf

for vs map

XOR vs Array Swap

arr vs double llist

Array.reduce vs for loop

clsx vs cls

linear vs bin-search

original vs early exit vs object literal

array depend vs Llist depend

substring vs slice vs substr

findIndex vs find vs for loop

Destructuring vs Dot notation

for vs for await

Optional Chaining vs Logical AND

JSON stringify/parse vs structuredClone

String(num) vs num.toString() vs num + ''

includes vs set

Number(str) vs parseInt(str) vs parseFloat(str)

Spread vs Concat

Array.includes vs OR Statement

array vs Llist

Object literal vs new Object() vs Object.create(null)

sin vs 1 - cos^2

POO vs Proc

Arrow function vs Regular function