Latest Benchmarks

Browse the latest JavaScript performance benchmarks created by the community.

(reduce + concat) vs (reduce + destructure) vs (reduce + push) vs Array.flat

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Number.toLocaleString vs Intl.NumberFormat (prepared)

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slice vs subarray vs new

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reduce.concat() vs reduce + destructure vs flat()

Compare the new ES6 spread operator with the traditional concat() method

Setting Canvas Pixel With Same Color

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... operator versus for loop

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const vs let vs var (fixed)

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foreach vs map-forr

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msgpackr vs. JSON

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JavaScript spread operator vs Array.concat performance

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Compare lodash isEmpty and length comparison on string arrays

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Array loop vs foreach vs map -forky

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Lodash cloneDeep vs JSON parse+stringify test

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flatmap

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filter + flat

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matches vs. closest 2

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matches vs. closest

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Math.pow(x,0.5) vs Math.sqrt(x) vs x**

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Object.keys vs for-in

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ForOf vs Foreach vs map

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Array loop vs foreach vs map (cached length)

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Regexp Greedy vs lazy cost v2

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Math.floor(Math.random() * 1000000000).toString() vs window.performance.now().toFixed()

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new versus raw object creation

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lodash merge vs object.assign vs spread with larger data and no mutation

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