Browse the latest JavaScript performance benchmarks created by the community.
Compare performance between Array.find vs Map.has
Compare performance between Array.findFirst vs Map.has
JS find vs indexOf
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Compare extension techniques using callback and proxy. For sure callbacks should be faster, but when Proxy is considered as production solution so be aware of performance penalty
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- Array.apply: Array.apply(null, Array(100)) - Destructuring operator: [...Array(100)] - Array.prototype.fill Array(100).fill(undefined) - Array.from Array.from({ length: 100 })
- Array.apply: Array.apply(null, Array(100)) - Destructuring operator: [...Array(100)] - Array.prototype.fill Array(100).fill(undefined) - Array.from Array.from({ length: 100 })
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Compare both ways of test an empty array
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Comparing lodash clonedeep vs json.parse() an already stringified object
JSON.parse vs JSON.stringify 2
Comparing performance of JSON.parse vs JSON.stringify