Browse the latest JavaScript performance benchmarks created by the community.
destru vs for
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lol
Compare the new ES6 spread operator with the traditional concat() method and push
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A test summing 1000 random numbers, 1 - 10000
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Compare speed of Math.max() vs Array.reduce().
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17112020022desc
When the “observable” pattern is implemented in JavaScript, it's practically always done using a loop over callbacks. One problem with this approach is that an exception in one handler will crash the entire loop. You can work around this by wrapping the invocation in a try/catch block, but in doing so, you silently swallow the error. The browser provides an event dispatcher for DOM elements that runs each handler in a separate execution context, providing a better failure mode for independent listeners. `EventTarget` is an interface, so you can't directly instantiate one. But you can hijack the `EventTarget` implementation from a dummy object. This test compares multi-listener dispatches using loops and the built-in `EventTarget`. My expectation is that the native mechanism will carry some overhead, partly because of the bespoke execution context, and partly because of the extra properties instantiated on each `CustomEvent` instance. This method also has to look up events by their (string) names, rather than using direct object reference. See http://dean.edwards.name/weblog/2009/03/callbacks-vs-events/
fork of https://www.measurethat.net/Benchmarks/Show/975/11/regex-vs-indexof-vs-startswith-vs-substr
a
Compares slice, substr and substring to each other when there is only a start index
pow 0.5 vs sqrt
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testing removing all whitespaces whether by matching one space or multiple space at a time
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Manage Todos in a list - compare performance of Array vs Linked List.