Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Repetitive calls vs Map

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divide by 2 vs multiply by 0.5

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JavaScript spread operator vs Object.assign performance - V2

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Test lodash unionBy

unionBy vs concat

Testing split vs lastindexOf

Testing split vs lastindexOf

js selector options

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JSON Stringification vs. cloneDeep vs. Custom Copy

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JSON Stringification vs. cloneDeep

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querySelector vs querySelectorAll vs getElementsByClassName vs querySelector (ID) vs getElementsByID (2)

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ClassList v7

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ClassList v6

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ClassList v5

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ClassList test v4

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(last character) char index vs charAt() vs slice()

Compare methods for testing string's beggining character.

sadsadsadsa

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test1234567

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undefined vs. typeof vs. in vs. hasOwnProperty 1000 items

Object lookup performance

Remove all children from DOM element with lastChild2

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Test checker

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join vs map js

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Math.min() vs Array.reduce()

Compare speed of Math.min() vs Array.reduce().

Sum speed test

Diffrence between FOR loop and REDUCE

JavaScript Benchmark: includes vs indexOf

Comparison of JavaScript Array.includes() and Array.indexOf()

lodash assign vs spread operator for arrays

lodash assign vs spread operator

Array flatten implementations [high volume]

Compare various ways to flatten nested arrays 1 level deep.