Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Custom Event vs Callback

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document.body vs document.querySelector('body')

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window.innerWidth vs window.screen.availWidth

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innerWidth vs availWidth

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.forEach vs for const of

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Optional Chaining and Nullish Coalescing vs lodash get

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Regex v split/filter/join

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RXJS vs Vanilla v2

RXJS vs Vanilla

instanceof vs in

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&& vs optional chaining

How to better null-check

Traverse function vs NodeIterator vs TreeWalker vs TreeWalker manual filter

Let's compare the speed of 3 different ways to traverse the DOM.

Await vs Then

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Array concat vs spread operator vs push with more data

Compare the new ES6 spread operator with the traditional concat() method and push

axios vs fetch

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Math.pow vs Exponentiation vs Multiplication

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Object entries vs forin

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map includes vs some

performance comparison of ways to find if an array contains a value

A native map vs lodash _.map

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Add new element to array: push vs destructuring vs bracket access

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lodash merge vs deepmerge vs ramda merge

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addEventListener() vs jQuery.on() with mouseEnter

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slice vs get by index

Comparison of Array.prototype.slice and manually getting items by index

Underscore pluck vs map 4

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Equals vs underscore vs lodash part 2

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Lazy-loading JSONP Script vs. DOM manipulation

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