Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Spread vs FlatMap

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division vs multiplication

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array vs Float64Array vs Float32Array (sort)

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uncheck vs change class

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MutationObserver: disconnect/reconnect vs. variable switch to avoid recursion

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foreach vs for const objects

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if-else vs switch and variations

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flatmap vs reduce t2

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array for loop compare

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flatmap vs reduce t

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replaceAll vs replace with global

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DOMParser vs Template element

Testing

object keys vs stringify 3

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object keys vs stringify 2

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object keys vs stringify

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find reversed for loop versus find method 4

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find reversed for loop versus find method 2

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find reversed for loop versus find method

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dom array initialization: preallocate vs push

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map vs for loop cloneNode

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luxon vs dayjs vs date-fns vs temporal-polyfill (formatting)

Create and format dates from a timestamp

luxon vs dajs vs date-fns

Create and format dates from a timestamp

offsetWidth vs getBoundingClientRect1

Comparing performance of: offsetwidth vs getBoundingClientRect

arr unshift vs push + reverse (small array) 2

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convert and lookup 10k times and 10k items

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