Modern JavaScript Support

JavaScript 1.8

Mozilla Developer Center:

• New in JavaScript 1.7
• New in JavaScript 1.8

Supported in RingoJS 0.4

• Expression closures
• reduce()/reduceRight()

Not supported in RingoJS 0.4

• Generator expressions
• for..in destructuring changes (lhs only accepts arrays of length 2, see ticket)

ES5

• John Resig: ECMAScript 5 Objects and Properties
• Tracking bug

To test

• @@ Reuse the ES5 conformance test suite

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