Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

String concatenation vs array join Chrome 4

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String concatenation vs array join Chrome 3

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String concatenation vs array join Chrome

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1d170c5a-bf42-4104-b3a4-9ccbdcb4f20b

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Object reduction with conversion back (smol)

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Object reduction with conversion back

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FINAL2 test with regex/with split/without both

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Object reduction

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String from Charcode cached (deg)

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Array.find vs. Map.get 2

Test the performance of Array.find vs. Map.get, with various array sizes, and with/without conversion from array to map

flatMap vs flat+map 2

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toFixed vs toPrecision vs Math.round() vs Math.Floor

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insertAdjacentHtml vs innerHTML (no initial contents)

insertAdjacentHtml vs innerHTML (no initial contents)

creating maps vs creating objects

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Lodash 4.17.15 omit vs es omit vs rest spread

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Normal Line vs Rectangle Line

canvas stuff

JS if/if vs if/else if vs boolean check

Benchmark of the speed difference between using multiple IF statements and an open-ended IF/ELSE IF.

Double Lookup

http://jsperf.com/double-lookup/

Switch/case vs indexOf

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While loop parentElement vs closest (vanilla javascript)

Compare closest() to parentElement in a while loop

Array of object Filter 2

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JavaScript object spread operator lead & tail

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Deserialize - Dataview vs Custom

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Object.fromEntries - 50 items

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regex vs javascript camelCase long

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