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    New in Rhino 1.7R3

    ECMAScript 5 support

    ECMAScript 5 support was added to Rhino by Raphael Speyer during a Google Summer of Code project mentored by Norris Boyd. Rhino 1.7R3 supports most of ES5 except for Strict Mode.

    JavaScript 1.8 support

    Rhino 1.7R3 has partial support for JavaScript 1.8 contributed by Hannes Wallnöfer and Andreas Bolka. This includes expression closures and destructuring assignment shorthand but not generator expressions.

    Note that JavaScript 1.8 features have to be enabled explicitly by selecting language version 180 in the shell, or Context.VERSION_1_8 in embedded mode.

    New AST API

    Steve Yegge has contributed a new AST API to Rhino which should be useful for people building JavaScript specific tools. The AST classes are in the org.mozilla.javascript.ast package.

    CommonJS module support

     A fully compliant CommonJS module implementation was contributed by Attila Szegedi. CommonJS modules are also available in the Rhino shell using the -modules, -main, and -sandbox command line options.

    JS Objects implement Java collections

    JavaScript Objects now implement the java.util.Map interface while Arrays implement java.util.List. This means that JavaScript objects can be passed seamlessly to Java methods expecting a Map while arrays can be passed to methods expecting a List or java.util.Collection.

    JSDoc comment parsing

    The Rhino parser is now capable of recognizing JSDoc-like comments (starting with /**). This feature is disabled by default and has to be enabled by setting the corresponding flag in the CompilerEnviron object.

    Performance improvements

    Rhino has seen some performance improvements since the last release which are most notable when running benchmarks or the test suite.

    Document Tags and Contributors

    Tags: 
    Contributors to this page: Norrisboyd, Chris, hannesw, simen1
    Last updated by: simen1,