Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

findIndex vs IndexOf + map

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lodash 1 argument against 2

lodash 1 argument against 2

object concat vs spread

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object concat vs spread vs concat

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lodash groupBy vs Object.groupBy 100k

Comparing performance of: Lodash vs Native

JavaScript spread operator vs Object.assign vs different spread performance v2

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My JavaScript spread operator vs Object.assign performance

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regexp capturing group named vs indexed

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+ vs Number

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Reduce with spread operator vs without on a large array

Reduce with spread operator vs without on a large array

Array.prototype.concat vs spread operator on small array

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

Object.entries VS Object.keys with obj[key]

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For Loop Leng Inside and Outside

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JS Object Creation vs Pooling

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JS Build Big Array

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JavaScript spread operator vs Object.assign performance 1_2

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JS Array Mutation Test

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Function call vs. conditional operator 2

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Encode vs Blob v2.1

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Encode vs Blob v2

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MD5 vs JSON.stringify

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test date compare

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number vs typeof

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Mutate array vs memory efficient map

In memory constrained devices the use of .map() is not always possible. In such places, this should determine whether a mutation is better than creating a new array from scratch while emptying the original array, thus, keeping somewhat the same memory usage.

Read Map vs Object

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