Benchmark name When Created
spread vs structureClone 16 days ago
innerHTML vs cloneNode 16 days ago
dsDOM vs JQuery (clone, event, add clsss, remove class, selection, remove element, css) 17 days ago
dsDOM vs Vanilla vs Cash vs Bliss vs Umbrella vs Zepto vs jQuery JS Library Speed Test 17 days ago
dsDOM vs JQuery 17 days ago
String.indexOf vs Map.get vs Object lookup 17 days ago
.createHTMLDocument() vs DOMParser() vs .createContextualFragment() 17 days ago
Math.floor vs parseInt against number type 17 days ago
Math.floor vs parseInto 17 days ago
Object.fromEntries vs reduce vs For-Each 17 days ago
getBoundingClientRect cashing 18 days ago
Array slice() vs slice(0) vs spread operator vs Array.from

Compare the new ES6 spread operator with the traditional slice() methods

18 days ago
Clone wars: lodash vs klona vs structuredClone

Comparing performance of: Native structuredClone vs Klona vs Lodash

18 days ago
mduke-test2 18 days ago
mduke-test 18 days ago
flatMap() vs filter().map() vs for loop accumulator vs forEach vs for of loop

flatMap vs filter map

18 days ago
Spread vs Object.assign test grmlksdfjk 18 days ago
Spread vs push(...) for large arrays

Comparing the various ways to append to a large array

18 days ago
lodash map vs native map on object 18 days ago
JavaScript all number type benchmark v2 19 days ago
JavaScript number type benchmark 19 days ago
Sorting elements by their position in the DOM 2 19 days ago
Bug with Resizing ImageBitmap causes slower than expected performance - April 2025 Image

There is currently a bug on Chrome Version 74.0.3729.131 (Official Build) (64-bit) (5/12/2019) with ImageBitmap where attempting to resize an ImageBitmap through ImageBitmapOptions will causes the resulting ImageBitmap to render very poorly when used with drawImage, even if the resulting ImageBitmap is resized to be smaller than the source image.

19 days ago
testJavaScript spread operator vs Object.assign performance to merge into new object 19 days ago
Mutation Observer's many observe 19 days ago

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