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Jurassic v2 Beta 2

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Downloads: 80
Change Set: 81599
Released: Dec 7, 2010
Updated: Dec 7, 2010 by paulbartrum
Dev status: Beta Help Icon

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Release Notes

Changes in Beta 2:
  • This is a performance-oriented release - it has dramatic performance improvements compared to v1. See the performance page for details.
  • Implemented simple type inference (only inside loops).
  • Implemented hidden class support.
  • Implemented type inference for loop variables.

Known issues in Beta 2:
  • Two of the v8 benchmark tests fail to run. This is likely due to bugs in the optimizer.

New in version 2:
  • Silverlight support.
  • .NET 4 is no longer required (.NET 3.5 is required instead).
  • Added function String.prototype.quote (a Mozilla extension).
  • The FirebugConsole class has a new extensibility model.

Conformance in version 2:
  • A couple of Sputnik failures fixed - goes from 63 to 61.
  • Many ES 5 conformance suite failures fixed - goes from 89 to 45.

Breaking changes in version 2:
  • FirebugConsole.Output property was modified.
  • FirebugConsole.CurrentIndentation property was removed.
  • FirebugConsole.IndentationDelta property was removed.
  • UserDefinedFunction.Body is now called UserDefinedFunction.BodyText.

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