Browse the latest JavaScript performance benchmarks created by the community.
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range
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for vs forEach vs forOf without iptimization by engine
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Check if it is faster to convert an array to a set and perform set.has(), compared to performing array.includes() on the base array.
Compare the new ES6 spread operator with the traditional concat() method and push
testing ios vs android perf
Object lookup performance
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var MyObject = { description: 'Creates a deep copy of source, which should be an object or an array.', myNumber: 123456789, myBoolean: true, jayson: { stringify: 'JSON.stringify() method converts a JavaScript value to a JSON string....', parse: 'JSON.parse() method parses a JSON string...' } }; var myCopy = null;
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Compare methods for testing string's last character.
Get elements by tag and class, vs. only tag, vs. only class. With querySelectorAll, getElementsByClassName, and getElementsByTagName.
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