Browse the latest JavaScript performance benchmarks created by the community.
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Object lookup performance
Object lookup performance
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Compare the new ES6 spread operator with the traditional concat() method
Compare loop performance
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Testing the performance of using `delete` keyword VS setting prop to null to remove an property of an object
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https://www.linkedin.com/pulse/25-techniques-javascript-performance-optimization-steven-de-salas When making calls to modify DOM make sure you batch them up so as to avoid repeated screen rendering, for example when applying styling changes. The ideal approach here is to make many styling changes in one go by adding or removing a class, rather than apply each individual style separately. This is because every DOM change prompts the browser to re-render the whole UI using the boxing model. If you need to move an item across the page using X+Y coordinates, make sure that these two are applied at the same time rather than separately.
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Iterative and recursive versions Implementations borrowed from https://medium.freecodecamp.org/how-to-factorialize-a-number-in-javascript-9263c89a4b38
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