Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

toFixed vs Math.round()12

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Lodash Uniq vs Javascript Set #2

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array.push vs object literal vs array literal

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getElementById vs querySelector vs getElementsByClassName vs getElementsByName 2

Test performance of different ways of get just one particular DOM element

empties vs small array

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className.indexOf vs. classList.contains (fixed)

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empty elements

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Lodash cloneDeep vs JSON.parse(JSON.stringify(obj))

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Date Comparisons

Testing the perf impact, if any, of date calculations.

Inv Fast Sqrt

Compare Quakes fast inverse squareroot with reciprocal of math squareroot

Date Test speed parse iso vs ts

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== vs === v3

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Yeahaaa

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Accent Mark Removal

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String concatenation keys vs Multidimensional array keys - 3D

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String concatenation keys vs Multidimensional array keys2

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JavaScript spread operator vs Object.assign with 3 args performance

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Ramda map latest vs native Array.map

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if else vs runtime polymorphic

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es6 class static vs prototype2

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es6 class static vs prototype

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slice vs subarray vs set 2

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Array vs Object vs Map vs WeakMap access2

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Array.prototype.slice vs spread operator different syntax

Compare the new ES6 spread operator with the traditional slice() method

char index vs charAt() vs slice() vs startsWith()

Compare methods for testing string's beginning character.