Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

Uint8Array vs Uint8ClampedArray 4 value copy

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Time Taken

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Attribute Selector vs Class Selector vs ID Selector

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Split vs substring with concat

References string parts to test hidden performance optimizations between the two implementations by not throwing away the results of the operation.

Normal Attribute vs Class Selector vs ID Selector

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Shodown vs Marked: Markdown Performance Comparison

A performance comparison of leading Javascript Markdown implementations.

Shiogui - Push x Reduce Logged

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Shiogui - Push x Reduce

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multiple vs divide

tests

Small includes vs has

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for-in vs object.keys4112

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for-in vs object.keys411

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for-in vs object.keys4

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forinvsobjectkeys2

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forinvsobjectkeys

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JavaScript reverse vs toReversed

Compare Array.reverse() to Array.toReversed() performance wise.

Object lookup vs array lookup

Test speed of object access by key vs array find to find object

Object.fromEntries vs reduce vs Map vs for of

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find smallest element in array sort vs reduce

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non empty object

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Array includes vs Array.indexOf big

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Array includes vs Array.indexOf

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Chunk array from vs reduce vs for

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String manipulation vs

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lodash mapValues vs Object.values.map

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