object expected error

eruanion

Hi, I've been working on this for a while now and I can't seem to find
out what is wrong with my code. I have 2 files one c3common.js which
only contains javascript functions for my main html page and my main
html page which is test.html. They are of course part of a much bigger
system of files but i have tracked down the problem to that reduced
part of the code. The page loads perfectly fine however when i click
search i get the error line:37 object expected, which is the line of
the <form name=...... onSubmit="retur n validate(this); "> The code
basically just takes the data entered in name, email and phone number
and validates them with premade functions. now i know theres nothing
wrong with the functions in c3common.js because when i cut and paste
them into the html page in the script part everything starts working
perfectly but as soon as i move them into another .js file and link the
html page with the scr="c3common.j s" piece of code i get the error. Oh
and before you ask the files are in the same directory so thats not the
problem. Thanks a lot for your time guys.

here it goes:

test.html =

<html>
<head>
<title>ShowEmpl oyees (using JSTL)</title>

<script src="c3common.j s" type="text/javascript"
language="JavaS cript">

function validate(form)
{

window.alert("C HECK!"); //this never even gets shown at all

var check =1;

if(CheckName(fo rm.name.value) == false)
{
window.alert("w rong name");
check =0;
}
if(CheckEmail(f orm.email.value ) == false)
{
window.alert("w rong email");
check =0;
}
if(CheckPhoneNu mber(form.telep hone.value) == false)
{
window.alert("w rong telephone");
check =0;
}

return check;
}
</script>
</head>

<body>

<form name="search" method="POST" onsubmit="retur n
validate(this); ">
<h1>Searching Employees Database</h1>

<table>
<tr>
<td>Name</td> <td><input type="text" name="name" value=""/> </td>
</tr>
<tr>
<td>E-mail Address</td> <td><input type="text" name="email"
value=""/> </td>
</tr>
<tr>
<td>Phone number</td> <td><input type="text" name="telephone "
value=""/> </td>
</tr>
<tr>
<td><input type="hidden" name="action" value="showEmpl oyees"/>
</td>
<td><input type="hidden" name="page" value="0" /> </td>
</tr>
<tr>
<td><input type="submit" name="submit" value="Search"/> </td>
<td><input type="reset" value="Resets all fields"/> </td>
</tr>
</table>
</form>
</body>
</html>

Feb 27 '06 #1

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Last »

eruan...@hotmai l.com wrote:

<html>
<head>
<title>ShowEmpl oyees (using JSTL)</title>

<script src="c3common.j s" type="text/javascript"
language="JavaS cript">

function validate(form)

You cannot use one <script> tag for both .js file and inline code:-
inline code is being ignored in this case.

Change to:

<script src="c3common.j s" type="text/javascript"></script>
<script type="text/javascript">
// inline code
</script>

As I see this error over and over in different places, I presume that
some "reputable" source claims that it's possible. If it's a wiki I
would appreciate to be pointed out so I could correct the article.

P.S. It is generally a bad idea to name you form field "name" - it may
lead to some funny addressing issues.
"customer", "user", "requester" etc. are much better.

Feb 27 '06 #2

eruanion

ohh thank you soo much, for some reason i has tried that before but
then i had made some changes to the code that might have messed it up,
works perfectly now thx.

Feb 27 '06 #3

Richard Cornford

VK wrote:

eruan...@hotmai l.com wrote:
<html>
<head>
<title>ShowEmpl oyees (using JSTL)</title>

<script src="c3common.j s" type="text/javascript"
language="JavaS cript">

function validate(form)
You cannot use one <script> tag for both .js file and
inline code:-

You cannot use one SCRIPT _tag_ for anything as HTML requires two script
tags to define one SCRIPT element (opening and closing tags are not
optional).

But you can use one SCRIPT element to import a file and simultaneously
define script within that element. It isn't a good idea to do so but it
is a reasonably commonly implemented facility; see the FAQ.
inline code is being ignored in this case.
That would depend upon the browser and factors beyond your current
understanding.
Change to:

<script src="c3common.j s" type="text/javascript"></script>
<script type="text/javascript">
// inline code
</script>
That is 4 _tags_ defining two _elements_. Acquiring a basic
understanding of HTML would be a good idea prior to attempting to give
advice on the subject. The distinction between an HTML tag and an
element being pretty basic.
As I see this error over and over in different places, I
presume that some "reputable" source claims that it's possible. <snip>

You see something you don't understand and assume that it is an error,
but the one does not follow from the other, especially as you don't
actually understand the code you write yourself (even if you are not
necessarily aware of that yourself).
P.S. It is generally a bad idea to name you form field "name"
- it may lead to some funny addressing issues.
"customer", "user", "requester" etc. are much better.

Name or NAME would do just as well, as javascript is case sensitive.

Richard.

Mar 1 '06 #4

Thomas 'PointedEars' Lahn

Richard Cornford wrote:

VK wrote:
eruan...@hotmai l.com wrote:
<html>
<head>
<title>ShowEmpl oyees (using JSTL)</title>

<script src="c3common.j s" type="text/javascript"
language="JavaS cript">

function validate(form)
You cannot use one <script> tag for both .js file and
inline code:-

You cannot use one SCRIPT _tag_ for anything as HTML requires two script
tags to define one SCRIPT element (opening and closing tags are not
optional).

True.
But you can use one SCRIPT element to import a file and simultaneously
define script within that element.
No, you cannot. It is specified and implemented that

,-[HTML 4.01, 18.2.1 The SCRIPT element]
|
| [...] If the `src' has a URI value, user agents must ignore
| the element's contents and retrieve the script via the URI.

See below.

(There is also a common misconception among some people here regarding the
`charset' attribute [but the FAQ is clear and correct about it, the misuse
of the "tag" term aside] that is addressed by the next sentence of the
spec:

"Note that the `charset' attribute refers to the character encoding of the
script designated by the `src' attribute; it does not concern the content
of the SCRIPT element.")
It isn't a good idea to do so
True.
but it is a reasonably commonly implemented facility;
It is not in Netscape 4.8, Mozilla 1.7.12, Firefox 1.5.0.1, Opera 8.52, and
KHTML 3.5.1:

<URL:http://pointedears.de/scripts/test/include>

Netscape 4.8 even navigates to the Error 404 document if a script resource
is specified that does not exist. (Interestingly, KJS 3.5.1 does not allow
for augmentation of the Object constructor.)
see the FAQ.

The FAQ has to be corrected in that regard.
PointedEars

Mar 1 '06 #5

Thomas 'PointedEars' Lahn

Thomas 'PointedEars' Lahn wrote:

<URL:http://pointedears.de/scripts/test/include>

[...] (Interestingly, KJS 3.5.1 does not allow for augmentation of the
Object constructor.)

Ignore that, it does. It is just that the remote version of object.js still
used FunctionExpress ions in Object literals which are not supported by KJS
as yet. Therefore the included script could not be compiled, and the
Object constructor was not augmented. If you use only references to those
Function objects instead, everything is fine.
PointedEars

Mar 12 '06 #6

Thomas 'PointedEars' Lahn

Thomas 'Ingrid' Lahn wrote:

Thomas 'PointedEars' Lahn wrote:
<URL:http://pointedears.de/scripts/test/include>

[...] (Interestingly, KJS 3.5.1 does not allow for augmentation of the
Object constructor.)

Ignore that, it does. It is just that the remote version of object.js
still used FunctionExpress ions in Object literals which are not supported
by KJS as yet. Therefore the included script could not be compiled, and
the Object constructor was not augmented. If you use only references to
those Function objects instead, everything is fine.

It gets even more strange: the above statement is not generally true.
I have reduced the problem to the following:

var x = {
y: function z() {}
};

and

// or: var x = function() {};
// that does not make a difference
function x() {};

// The following line triggers a "read error" (message; if you have
// enabled debugging)
x({
y: function z() {}
});

If you omit the `z', thereby making the function anonymous, the error
goes away. Can anyone with a KHTML-based UA confirm or deny that?
Can anyone explain that?
PointedEars

Mar 12 '06 #7

Thomas 'PointedEars' Lahn

Thomas 'PointedEars' Lahn wrote:

I have reduced the problem to the following:

var x = {
y: function z() {}
};

and

// or: var x = function() {};
// that does not make a difference
function x() {};

// The following line triggers a "read error" (message; if you have
// enabled debugging)
x({
y: function z() {}
});

If you omit the `z', thereby making the function anonymous, the error
goes away. Can anyone with a KHTML-based UA confirm or deny that?
Can anyone explain that?

I have reported this now as
<URL:https://bugs.kde.org/show_bug.cgi?id =123529>
PointedEars

Mar 13 '06 #8

Ben C

On 2006-03-13, Thomas 'PointedEars' Lahn <Po*********@we b.de> wrote:

Thomas 'PointedEars' Lahn wrote:

If you omit the `z', thereby making the function anonymous, the error
goes away. Can anyone with a KHTML-based UA confirm or deny that?
Can anyone explain that?

I tried this in Konqueror, and got a parse error. If I left out the z it
worked. It worked on firefox both ways.

var x = {
y: function z() { alert("hello"); }
};
x.y();

It is definitely a bug because the grammar defines a FunctionExpress ion
as:

function Identifier<opt> (FormalParamete rList<opt>) {FunctionBody}

So you should be allowed to have that Identifier there if you want one,
and you might need it if you wanted to make the function recursive.

Mar 13 '06 #9

Richard Cornford wrote:

But you can use one SCRIPT element to import a file and simultaneously
define script within that element. It isn't a good idea to do so but it
is a reasonably commonly implemented facility; see the FAQ.

What FAQ? I hope it's not the official group FAQ at
<http://www.jibbering.c om/faq>? I looked at and I did not see anything
similar - but I might missed it. If so, it should be corrected
immediately as it's a gross error.

<script type="text/javascript" src="outer.js">
inner:
</script>

In this case inner block will be ignored and only outer file executed.
This is really a basic - it was this way ever since src attribute was
introduced. I am not aware of any browsers having different behavior.

Just for hell of it I tested the sample below on NN 4.5 (for my memory
check), IE.6.0, FF 1.5 and Opera 8.5:

<html>
<head>
<title>Script in Script doesn't work</title>
<meta http-equiv="Content-Type"
content="text/html; charset=iso-8859-1">
<script type="text/javascript" src="outer.js">
window.alert('H i from inner!');
</script>
</head>

<body>

</body>
</html>

// where outer.js contains:
window.alert('H i from outer!');

Mar 14 '06 #10

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