Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

removeEventListener vs AbortController

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[0] vs first vs at 0

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length -1 vs last vs at -1

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Tuple versus Object 2

Shows a fully defined plain object is fastest. Surprisingly, even beat Array & Tuple. Expando = object with properties added after creation. Literal = all properties defined at creation. Array = additional elements are pushed after creation (~Expando). Tuple = all elements defined at creation, ie: size is constant. Indexed object = an object who's keys are numbers. The expectation is this will be slowest as indexing into objects causes number toString() conversion.

CSS variables VS Set property fixed

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createElementNS vs cloneNode

Faster way to create new dom elements before insertion

lodash uniq vs set + Array.from

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external vs member vs static funcs

Compares funcs

Performance.now() impact

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Lodash.isEqual vs JSON.stringify Equality Comparison for More Complicated Arrays of 1 object each

Test on isEqual performance

Lodash.isEqual vs JSON.stringify Equality Comparison for More Complicated Arrays

Test on isEqual performance

Object array of arrays for vs foreach vs for..in vs for..of

Compare loop performance

Object array and property for vs foreach vs for..in vs for..of

Compare loop performance

Object array for vs foreach vs for..in vs for..of

Compare loop performance

array.includes vs set.has on 100 elements

100 elements and each element check once

rest parameters vs arguments (no extra args) actual test

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switch vs if else improved

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Array Intersection vs. Set Intersection vs. Lodash part 3 vs ES Set Intersection

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ajax 3.7.1 vs fetch

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Node instanceof vs property checks

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findIndex vs map 22

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Gain to dB LN10 vs log10

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strategy to count

faster find

math.abs

checking math

String addition + vs constructor vs template

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