JavaScript:JS3 Requirements: Difference between revisions
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** XDuce or similar extensions to the JS2/ES4 type system | ** XDuce or similar extensions to the JS2/ES4 type system | ||
* Changes to the core language, in particular to error handling rules, to make it easier to add new syntax in future versions of the language (JS n, where n > 3) without scripts using those languages breaking in earlier browsers (JS 3..n-1). | * Changes to the core language, in particular to error handling rules, to make it easier to add new syntax in future versions of the language (JS n, where n > 3) without scripts using those languages breaking in earlier browsers (JS 3..n-1). | ||
** This requires lexical and syntactic grammar extensibility, not just error handling as in HTML | |||
* BigInt and other Big numeric types, and pragma support to use them for numeric literals and operators by default | |||
Revision as of 23:06, 9 April 2007
- Standardized hybrid information flow security model
- AST binary syntax as over-the-wire standard (self-verifying? implicit flows?)
- AST reflection
- Quotations
- Hygienic macros
- Safe, scalable concurrency
- "E5X"
- E4X's query and path operators rationalized for all types
- XDuce or similar extensions to the JS2/ES4 type system
- Changes to the core language, in particular to error handling rules, to make it easier to add new syntax in future versions of the language (JS n, where n > 3) without scripts using those languages breaking in earlier browsers (JS 3..n-1).
- This requires lexical and syntactic grammar extensibility, not just error handling as in HTML
- BigInt and other Big numeric types, and pragma support to use them for numeric literals and operators by default