Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Arrays into Object, reduce vs for #2

https://www.youtube.com/watch?v=5nzBDkH9lWI

Arrays into Object, reduce vs for

https://www.youtube.com/watch?v=5nzBDkH9lWI

Array extend 2

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Array extend

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Array.prototype.concat vs spread operator - merging two Objects Arrays (Updated Oct 2020)

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

Measure Multiple Texts

Using various methods to measure multiple strings of text.

Array.prototype.concat vs spread operator - with Arrays of Objects (Updated Oct 2020)

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

Array.prototype.concat vs spread operator (Updated Oct 2020)

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

Measure Single Text

Using various methods to measure a single string of text.

Jquery 1.10.4 vs 3.5.1

Comparing Jquery 3.5.1 to 1.10.4

querySelectorAll vs. getElementsByClassName for many elements

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math pow vs multiply (times 4)

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Find vs Some vs Everya aaaaa

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Map vs Object2020

Lookup of map vs object

Lodash vs Native reduce on lqrgeobject

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native lodash filter map 2dsfg

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native lodash filter map 2

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native lodash filter map

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Array.prototype.concat vs spread operator 1

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

Performance Test: substring vs substr vs slice (remove last char)

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Class method / instance method / bind this – closer to reality test

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Float string optimization: parseFloat() vs regex

To get a cleaned-up float number with a limited number of digits of precision, which is faster: parsefloat() or a regular expression?

Class method / instance method / bind this

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Map vs Two Arrays

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empty an array in JavaScript - splice vs setting length

Based on question on http://stackoverflow.com/questions/1232040/how-do-i-empty-an-array-in-javascript