On Oct 11, 2007, at 10:36 PM, Garrett Smith wrote:
So that that's out of scope for ES4; it's OK for host objects to have
custom behavior.
I'm afraid so, but we could say that host objects that are callable
SHOULD be functions if they appear to be functions otherwise; we
could say that all
On 10/11/07, Garrett Smith [EMAIL PROTECTED] wrote:
If an object accepts arguments, it is callable, and if it is callable,
it supports ,call(), right?
Assuming you mean has itself a Callable member named 'call', then I
think the answer is no -- being Callable means having a [[Call]]
operation
On Oct 11, 2007, at 1:36 PM, Garrett Smith wrote:
On 10/10/07, Brendan Eich [EMAIL PROTECTED] wrote:
On Oct 10, 2007, at 3:53 PM, Garrett Smith wrote:
if (it is Callable) ...
I wonder how host objects will deal with this.
Will there be a transitive relationship of callable and ()?
For
Incomplete sentence
Microsoft often says that it is necessary to retain backwards
compatibility. I would hope they would [not continue on this path.] -- EDIT.
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On Oct 11, 2007, at 8:02 PM, Garrett Smith wrote:
If you want to apply or call a non-function
callable, use Function.apply(callable, thisp, argArray) or
Function.call(callable, thisp, arg1, ...argN).
So these are equivalent?
aNonFunctionCallableObj()
Function.call( aNonFunctionCallableObj
On 10/11/07, Brendan Eich [EMAIL PROTECTED] wrote:
On Oct 11, 2007, at 8:02 PM, Garrett Smith wrote:
If you want to apply or call a non-function
callable, use Function.apply(callable, thisp, argArray) or
Function.call(callable, thisp, arg1, ...argN).
So these are equivalent?
= document.getElementsByTagName(iframe)[0].contentWindow;
i.someFunction instanceof Function; // false.
How is type checking addressed in ES4?
Garrett
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Programming is a collaborative art.
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. This is perfectly legal, according to the spec.
See http://bugs.ecmascript.org/ticket/153 -- for a general, universal
is-it-callable test, you would write
if (it is Callable) ...
How is type checking addressed in ES4?
The |is| operator tests universal or Platonic type, which involves
shared
://bugs.ecmascript.org/ticket/153 -- for a general, universal
is-it-callable test, you would write
if (it is Callable) ...
How is type checking addressed in ES4?
The |is| operator tests universal or Platonic type, which involves
shared, immutable type descriptors that do not vary across windows
