On 6 October 2011 06:34, Allen Wirfs-Brock al...@wirfs-brock.com wrote:
On Oct 5, 2011, at 9:57 AM, Andreas Rossberg wrote:
In summary, I'm slightly worried. The above all seems fixable, but is
that all? Ideally, I'd like to see a more thorough analysis of how the
addition of proxies affects
as Zend Certified Engineer I can say == and === have never been a problem
... also there are cases when I *want* coercion!
var False = new Boolean(false);
if (False) alert(You may say WTF);
if (False == false) alert(I may say feature);
Best Regards,
Andrea Giammarchi
On Thu, Oct 6, 2011 at 5:44 AM, Brendan Eich bren...@mozilla.com wrote:
[...] We want only own properties, including private-name-object-keyed
ones.
I agree that .{, being a special form with a literal to the right, should
copy private-name keyed properties from right to left. However, doing
You mean by deprecate what, exactly?
Web JS is full of var. Making any attempt to migrate a big
hunk of it to ES6 require replacing all 'var' with 'let' is a
huge tax, since scoping works differently.
Ok, how about saying if you use 'let' in a function or at top
level, you can no longer use
On 5 October 2011 21:00, Andreas Rossberg rossb...@google.com wrote:
On 5 October 2011 18:57, Andreas Rossberg rossb...@google.com wrote:
FIXING PROXIES
A particularly worrisome side effect is fixing a proxy. The proxy
semantics contains a lot of places saying If O is a trapping proxy,
do
On Wed, Oct 5, 2011 at 10:37 PM, Brendan Eich bren...@mozilla.com wrote:
On Oct 5, 2011, at 9:02 PM, John J Barton wrote:
PrototypeJS (and Firebug) pre-date Object.keys() and .hasOwnProperty(),
hasOwnProperty was in ES3 in 1999. PrototypeJS is IIRC 2005-era. Firebug is
post-y2k.
so
2011/10/6 John J Barton johnjbar...@johnjbarton.com
On Wed, Oct 5, 2011 at 10:37 PM, Brendan Eich bren...@mozilla.com wrote:
On Oct 5, 2011, at 9:02 PM, John J Barton wrote:
PrototypeJS (and Firebug) pre-date Object.keys() and .hasOwnProperty(),
hasOwnProperty was in ES3 in 1999.
On Oct 6, 2011, at 8:06 AM, John J Barton wrote:
On Wed, Oct 5, 2011 at 10:37 PM, Brendan Eich bren...@mozilla.com wrote:
On Oct 5, 2011, at 9:02 PM, John J Barton wrote:
PrototypeJS (and Firebug) pre-date Object.keys() and .hasOwnProperty(),
hasOwnProperty was in ES3 in 1999.
On Oct 5, 2011, at 9:10 AM, Axel Rauschmayer wrote:
The two concatenation approaches I know of are:
1. via +=
2. push() into an array, join() it after the last push()
(1) can’t possibly be efficient,
Huh? Engines have optimized the hell out of 1 by essentially doing 2 under
the hood.
On 11:59 AM, John J Barton wrote:
GrawlixScript is the connection I guess.
No, grawlix is a term of art that can be used to describe some the
literal syntax proposals.
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On 06/10/11 19:56, John J Barton wrote:
Recent syntax discussions head in a completely different direction,
introducing a seemingly large number of new symbols resulting in code
that isn't readable by current JS, Java, or C devs. Instead of
JavaScript they will be attempting to read
On 6 October 2011 14:09, Tom Schuster t...@schuster.me wrote:
(1) is in fact really good optimized in modern engines. (In case you
are interested search for Ropes: an alternative to strings)
You don't even need ropes to make this fast for a lot of common cases. I
think even a naive
You are a gmail user, I surmise. So are others. Gmail collapses cited text, so
you don't trim it. Those of us using other mail user agents then have to wade
through *pages* of cited text to find your replies, which generally only apply
to the last paragraph or two of the cited text.
Any
On Oct 6, 2011, at 12:30 PM, Brendan Eich wrote:
My point was that your PrototypeJS and Firebug pre-date .hasOwnProperty()
chronology was wrong. Object.prototype.hasOwnProperty was around since ES3.
It was not used in Prototype, but on the other hand, the never extend
Object.prototype
repeated with less quotation
On Wed, Oct 5, 2011 at 2:25 PM, Russell Leggett russell.legg...@gmail.com
wrote:
On Wed, Oct 5, 2011 at 1:18 PM, John J Barton
johnjbar...@johnjbarton.com wrote:
On Wed, Oct 5, 2011 at 9:11 AM, Russell Leggett
russell.legg...@gmail.com
wrote:
On Thu, Oct 6, 2011 at 6:40 PM, Brendan Eich bren...@mozilla.com wrote:
You are a gmail user, I surmise. So are others. Gmail collapses cited text,
so you don't trim it. Those of us using other mail user agents then have to
wade through *pages* of cited text to find your replies, which
On Thu, Oct 6, 2011 at 8:04 PM, Andrew Dupont mozi...@andrewdupont.netwrote:
(Keep in mind that the 80% use-case for this sort of thing is merging
default options with user-supplied options, at least in the code I write.
That's a simple case that usually involves merging two plain objects
From: Andrew Dupont mozi...@andrewdupont.net
JJB has it mostly right. When Sam wrote Object.extend (which was originally
Object.prototype.extend), it didn't use hasOwnProperty; my guess is that Sam
didn't know about it, because most of us were JavaScript amateurs back in the
day, including
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