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Groups > comp.lang.javascript > #7517
| From | RobG <rgqld@iinet.net.au> |
|---|---|
| Newsgroups | comp.lang.javascript |
| Subject | Re: IE and named function expressions |
| Date | 2011-10-17 18:44 -0700 |
| Organization | http://groups.google.com |
| Message-ID | <0b6043e7-6013-43fa-ac1b-d60d8a77c42b@e25g2000pri.googlegroups.com> (permalink) |
| References | <30321d48-0e16-4790-92fa-7fe34098a747@v8g2000pro.googlegroups.com> |
On Oct 18, 11:30 am, RobG <rg...@iinet.net.au> wrote:
> I'm sure this has been discussed before but I can't find it. The
> following code:
>
> var foo;
> (function() {
> foo = function foo(){};
> }());
>
> alert(typeof foo);
>
> shows "function" in most browsers but "undefined" in IE. It appears
> that IE is creating a local variable foo inside the anonymous function
> as a consequence of the named function expression. So the function is
> assigned to a local variable and goes out of scope for the alert. But
> in non-IE browsers, foo resolves to the global foo and is in scope for
> the alert.
>
> Is this consistent with ECMA-262 or not? I'm simply not up to wading
> through the spec in sufficient detail to answer the question myself.
Managed to stumble across a reasonable article by Juriy "kangax"
Zaytsev that goes through a number of related issues: <URL:
http://kangax.github.com/nfe/#jscript-bugs >
--
Rob
Back to comp.lang.javascript | Previous | Next — Previous in thread | Next in thread | Find similar
IE and named function expressions RobG <rgqld@iinet.net.au> - 2011-10-17 18:30 -0700
Re: IE and named function expressions RobG <rgqld@iinet.net.au> - 2011-10-17 18:44 -0700
Re: IE and named function expressions dhtml <dhtmlkitchen@gmail.com> - 2011-10-17 21:23 -0700
Re: IE and named function expressions Matt McDonald <matt@fortybelow.ca> - 2011-10-17 22:50 -0600
Re: IE and named function expressions dhtml <dhtmlkitchen@gmail.com> - 2011-10-17 23:33 -0700
Re: IE and named function expressions Dr J R Stockton <reply1142@merlyn.demon.co.uk> - 2011-10-19 19:56 +0100
Re: IE and named function expressions Antony Scriven <adscriven@gmail.com> - 2011-10-19 16:13 -0700
Re: IE and named function expressions dhtml <dhtmlkitchen@gmail.com> - 2011-10-17 21:21 -0700
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