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JavaScript performance benchmarks
Source code: GitHub/MeasureThat.net
Report issues: MeasureThat.net/Issues
Based on: Benchmark.js
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| Benchmark name | When Created |
|---|---|
| Object.fromEntries vs reduce vs Map vs for of vs forEach | 9 months ago |
| Object.fromEntries vs reduce vs Map vs custom implementation | 9 months ago |
| arr unshift vs push + reverse (100 elements) | 9 months ago |
|
String equals vs String.includes
how much of a performance deficit you can expect from using String.includes instead of using strict comparison with the === operator |
9 months ago |
| Remove first element from array - slice vs filter | 9 months ago |
| forEach vs map + filter | 9 months ago |
| Object key vs Array index access | 9 months ago |
| Date.now() without floor vs static now() function | 9 months ago |
| Date.now() vs static now() function | 9 months ago |
|
Object Deep Copy test 20240213-2
Produce a deep copy of a Javascript object where nested objects are not simply references to the originals. |
9 months ago |
|
Slice vs Splice vs Shift vs pop
Compares the speed for removing 2 items from the beginning of an array |
9 months ago |
|
Slice vs Splice vs Shift 231
Compares the speed for removing 2 items from the beginning of an array |
9 months ago |
|
array indexOf vs includes vs some w/ largeish array
performance comparison of ways to find if an array contains a value |
9 months ago |
| bool to int | 9 months ago |
| Array loop vs for loop vs for loop cached | 9 months ago |
| Object.groupBy vs Array.reduce 100k | 9 months ago |
| spread vs concat for adding new value to array | 9 months ago |
| ramda-path-vs-lodash-get-vs-custom-deepak | 9 months ago |
|
splice vs unshift by winensf
bla bla |
9 months ago |
|
ES6 Class vs Prototype vs Object Literal vs Function vs Function with object destructuring
Test the speed and memory usage using 4 different techniques for constructing class objects (or rather calling functions). |
9 months ago |
|
lastIndexOf vs split vs regex
testing speed |
9 months ago |
|
lastIndexOf vs split
testing speed |
9 months ago |
| Spread vs concat to let var | 9 months ago |
| querySelector vs tag | 9 months ago |
| document querySelector | 9 months ago |