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At the present moment, the JavaScript engine running inside of IE 10 is the fastest, based of a jsLint based benchmark.

However, Ratanaworabhan et al. proved in JSMeter: Measuring JavaScript Behavior in the Wild that benchmarks in general are pretty worthless when it comes to JavaScript.

Further, the specifics of the rest of the browser environment can have significant impact on the benchmarks. The running of add-ons in Firefox or Chrome can make all kinds of mess, and a browser that has been running for a long time will be slower than one that's been recently restarted.

See the related links for more information.

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12y ago

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