JavaScript performance of the V8 engine

V8 is the JavaScript engine used by Google Chrome. This talk from Google explains why JavaScript performance is so important and how it's been implemented in V8 and Chrome. The point is, however, that testing your scripts only with an engine like V8 is somewhat confusing, in the sense that you may notice a big slowdown in other browsers, such as Internet Explorer. So it's important to test your script performance first in slow browsers and then in V8 and Chrome. By doing so, you make sure that the code you wrote works well even in slow browsers. wink

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