Conform your JSON to ECMAScript 4 with JCON

Oliver Steele is doing great work, and he has just released a gem called JCON which stands for JavaScript Conformance. It tests JSON values to make sure that they are valid for the new world of ECMAScript 4 type definitions (e.g. new ( 3, "foo" ) )...

SquirrelFish: WebKit has a new, fast, JavaScript engine Print E-mail
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SquirrelFish seems to be the code name for a new JavaScript engine for WebKit.

You can see performance benchmarks that show a significant increase across the board of tests.

On average the tests show a 4 times improvement (compared to Safari 3.1), with spikes of 12.6x improvements on some access tests, and with the lowest grade of 1.63x for String unpacking.

This is great news. We are now seeing all of the major browsers improving their JavaScript stacks significantly, which means we will be able to do a lot more. If you are building heavy Ajax applications, this is what you dream off, and at the same time you hope that you can stop worrying about older browsers ;)

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