Announcing, June 15, 2012 ES6 Draft

Allen Wirfs-Brock allen at
Thu Jun 21 13:16:50 PDT 2012

There are many things that are not yet in the spec. yet. It is still a work in progress.

The harmony proposal page[1] generally is the plan of record for what is ultimately expected to be in the spec. 



On Jun 21, 2012, at 11:29 AM, Jasvir Nagra wrote:

> Hi Allen,
> The section on Module Declaration Instantiation (10.5.2) is currently empty.  Is this because the modules spec is still in flux?  Is it reasonable to assume that modules are still on the table for es6?
> jas
> -- 
> Jasvir Nagra
> On Fri, Jun 15, 2012 at 8:28 PM, Allen Wirfs-Brock <allen at> wrote:
> Download it from: 
> Changes from May TC39 Review
> Tentative addition of Class Definitions Syntax and Semantics in 13.5 based upon Maximally Minimal Strawman. NOTE-Classes do not yet have full consensus within TC39 and may not survive.
> 11.1.5 make super references illegal in method definitions within object literals
> removed <| and TriangleLiterals
> reverted methods to only have bracketed function bodies rather than concise bodies
> Removed Object.isObject
> Removed String.prototype.toArray
> Eliminated requirement for buggy daylight savings time adjustment
> Other changes
> 5.1.1 , 5.2 Defined “chain production” and implicit algorithm pass through for chain productions. Eliminated unnecessary pass through algorithms
> Eliminate final remnants of ES1 line number references within algorithm conventions
> Moved Literal from lexical to syntactic grammar
> Updated keywords list
> 10.1.2 /10.4 introduce concept of non-ECMAScript functions and execution contexts for them
> tweaks to Array Comprehension syntax
> made it an early error to use a reserved word as a single identifier property definition shorthand
> added default value initializers to internal elements and properties of destructuring assignment patterns
> corrected major case statement semantic bug from ES5.1
> made YieldExpressions illegal in parameter default value initializers
> made home object binding of methods contingent upon them actually referencing super
> added [[ThisMode]] internal property to functions via FunctionCreate to deal with lexical this binding in arrow functions
> made super references and yield expressions early errors in ProgramBody
> In Math.sign clarified handling of -0
> Added String.prototype HTML wrapping functions to Annex B
> Merged ES5.2 Annex F into Annex D&E
> Made Annex F an Informative Summary of Static Semantic algorithms
> Fixed bugs 340,351-354,356,358-361,364-367,369-376,378-380,382,384-38
> _______________________________________________
> es-discuss mailing list
> es-discuss at

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the es-discuss mailing list