Why is Firefox complaining with this error:
------------------------------------------------------------
missing ) after argument list
setTimeout('bre akOut',5000);
------------------------------------------------------------
Here is the HTML that I'm producing:
<html>
<head>
<script type="text/javascript">
<!--
function breakOut() {
top.location.hr ef = 'https://foo.com';
}
// -->
</script>
<body onLoad="setTime out('breakOut() ',5ØØØ);">
You have been logged out of the control panel due to inactivity for
your security.
</body>
</html>
Dec 14 '05
69  16943 
Matt Kruse wrote: Thomas 'PointedEars' Lahn wrote: I have to take that back and to state the opposite. That SyntaxError
was apparently caused by other code, so it appears that JavaScript-C
1.5 2004-09-24 (SpiderMonkey) [1] considers `<!--' the same as `//',
apparently as an undocumented extension to ECMAScript.
This is standard behavior for every JScript/Javascript/ECMAScript
implementation I have ever seen.
Which does not count.
Just because it is not documented in ECMAScript specs doesn't mean it
is not documented.
Which does not count either. You really should have read the provision
attached to the posting you replied to.
Keep in mind, a browser implementing <script type="text/javascript">
doesn't need to support ECMAScript either.
Which does not count. The environment that scripts are operating in is
unknown most of the time, it is wrong and potentially harmful to infer
from the special case to the general one as you do.
PointedEars
Thomas 'PointedEars' Lahn wrote: The environment that scripts are operating in
is unknown most of the time, it is wrong and potentially harmful to
infer from the special case to the general one as you do.
Listen, either way it's a guessing game. And I'm talking _only_ about the
statement that it's potentially harmful, not that it's a recommended
practice. There are two bets you can take:
1. A browser will be made in the near future with a javascript engine that
does not treat <!-- as a single-line comment.
2. Browsers will continue to treat <!-- as a single-line comment in
javascript, even though it's not part of standards
You're betting on #1. However, browsing the web with such a browser would be
a terrible experience because of all the syntax errors you would encounter.
I find it highly unlikely that such a browser would ever be made, much less
used. Maybe in 20 years ;)
I'm betting on #2, because a survey of the current browser world shows that
every browser behaves as expected and continues to do so in every update.
Even if not documented, the behavior remains.
Conclusion: If you bet on #1, you would consider it to be potentially
harmful. If you bet on #2, it's not potentially harmful.
I think #2 is the much more realistic bet. And one I would be willing to
take with you for any amount of cash ;)
--
Matt Kruse http://www.JavascriptToolbox.com http://www.AjaxToolbox.com
Lasse Reichstein Nielsen wrote: Actually, the official name for the language used by the Netscape
browsers and inheriteed by the Mozilla based browsers, including the
Spidermonkey engine, is "JavaScript ". This is also the name that is
trademarked by Sun Microsystems, Inc.
By /Sun/?
--
John W. Kennedy
"But now is a new thing which is very old--
that the rich make themselves richer and not poorer,
which is the true Gospel, for the poor's sake."
-- Charles Williams. "Judgement at Chelmsford"
John W. Kennedy wrote: Lasse Reichstein Nielsen wrote: Actually, the official name for the language used by the Netscape
browsers and inheriteed by the Mozilla based browsers, including the
Spidermonkey engine, is "JavaScript ". This is also the name that is
trademarked by Sun Microsystems, Inc.
By /Sun/?
Yes, indeed by Sun. The programming language developed by Brendan Eich,
previously of Netscape Communications Corp., now working for the Mozilla
Foundation, formerly known as Mocha or LiveScript, was renamed to
"JavaScript " in a joint marketing effort of Netscape Communications Corp.
and Sun Microsystems, Inc.
<URL:http://www.sun.com/suntrademarks/#J>
<URL:http://wp.netscape.com/newsref/pr/newsrelease67.h tml>
<URL:http://en.wikipedia.or g/wiki/JavaScript>
PointedEars
Thomas 'PointedEars' Lahn wrote: They have Javascript/JScript/etc. In these implementations
of ECMAScript, I've not seen one yet that didn't treat
<!--
as a single-line comment. In fact, they document it as so.
Where?
Try this: http://www.w3.org/TR/html401/interac....html#h-18.3.2
The most recent HTML 4.01 specs say this:
"User agents that don't recognize the SCRIPT element will likely render that
element's contents as text. Some scripting engines, including those for
languages JavaScript, VBScript, and Tcl allow the script statements to be
enclosed in an SGML comment. User agents that don't recognize the SCRIPT
element will thus ignore the comment while smart scripting engines will
understand that the script in comments should be executed."
Good enough for you?
--
Matt Kruse http://www.JavascriptToolbox.com http://www.AjaxToolbox.com
On 20/12/2005 06:24, Matt Kruse wrote: Thomas 'PointedEars' Lahn wrote:
Matt Kruse wrote:
They have Javascript/JScript/etc. In these implementations
of ECMAScript, I've not seen one yet that didn't treat
<!--
as a single-line comment. In fact, they document it as so.
Where?
Try this:
http://www.w3.org/TR/html401/interac....html#h-18.3.2
[snip]
Good enough for you?
Not particularly. It's an informative statement on the state of things
as the W3C saw them at the time of publishing. It in no way implies that
that's the way things /should/ be, and all that it confirms is what we
already know: most user agents will ignore the comments if they surround
code. However, what it doesn't say is what you wrote above.
The best solution to the problem always was, and still is, what is
written in the second paragraph of that section.
Mike
--
Michael Winter
Prefix subject with [News] before replying by e-mail.
Matt Kruse wrote: Thomas 'PointedEars' Lahn wrote: They have Javascript/JScript/etc. In these implementations
of ECMAScript, I've not seen one yet that didn't treat
<!--
as a single-line comment. In fact, they document it as so.
Where?
Try this:
http://www.w3.org/TR/html401/interac....html#h-18.3.2
[...]
FYI: You were stating that `<!--' is _documented_ as being a single-line
comment in a documentation for _"JavaScript/JScript/etc."_. It is not
the W3C that sets the standard for the former, and as I already pointed
out that section of the HTML 4.01 Specification, which is not normative
regarding ECMAScript implementations at all, was written and issued
before RFC2854 was issued, which obsoleted all HTML versions this section
was intended to create backwards compatibility to.
PointedEars
Michael Winter wrote: On 20/12/2005 06:24, Matt Kruse wrote: Thomas 'PointedEars' Lahn wrote: Matt Kruse wrote:
They have Javascript/JScript/etc. In these implementations
of ECMAScript, I've not seen one yet that didn't treat
<!--
as a single-line comment. In fact, they document it as so.
Where?
Try this:
http://www.w3.org/TR/html401/interac....html#h-18.3.2
[snip]
Good enough for you?
Not particularly. [...]
The best solution to the problem always was, and still is, what is
written in the second paragraph of that section.
Where it is to be noted that in HTML 3.2 the `script' element has no
attributes at all.
<URL:http://www.w3.org/TR/REC-html32#script>
PointedEars
On 20/12/2005 18:01, Thomas 'PointedEars' Lahn wrote: Michael Winter wrote:
[snip]
The best solution to the problem always was, and still is, what is
written in the second paragraph of that section.
'Always' is a little misleading. However, the time frame should be at
least seven years, which is certainly long enough.
[snip]
[i]n HTML 3.2 the `script' element has no attributes at all.
In HTML 3.2, the SCRIPT element was nothing more than a placeholder,
though NN2 was using it. It wasn't defined until HTML 4.0, along with
STYLE elements. Both IE (3.022) and NN (3.0?) had support for the src
attribute before that time.
[snip]
Mike
--
Michael Winter
Prefix subject with [News] before replying by e-mail.
Michael Winter wrote: On 20/12/2005 18:01, Thomas 'PointedEars' Lahn wrote: > Michael Winter wrote:
[i]n HTML 3.2 the `script' element has no attributes at all.
In HTML 3.2, the SCRIPT element was nothing more than a placeholder,
It is declared as an element in the HTML 3.2 Document Type Definition.
[...] It wasn't defined until HTML 4.0, along with STYLE elements.
Wrong. Both were already declared and defined as an element without
any attribute before HTML 4.0, in HTML 3.2.
Both IE (3.022) and NN (3.0?) had support for the src attribute before
that time.
The point is that we are trying to use Valid Markup and the argument for
obsolete "comments" is HTML 3.2. So there is no point in stating that
HTML 3.2 already supported the element and only now-obsolete or then-tagsoup
parsers require the "comment", but despite HTML 3.2 did not support the
`src' attribute, we use it anyway because some tagsoup parsers did.
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