somebody can answer me why occur this problem?
With the following code my site only works in Chrome, on IE7/8 and Firefox show me only the background:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ".dtd">
<html xmlns="">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Site Title</title>
<link href="css/styles.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="js/jquery-1.3.2.min.js" />
<script type="text/javascript" src="js/functions.js" />
</head>
...
And with this code works in Chrome, IE7/8 and Firefox:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" ".dtd">
<html xmlns="" lang="pt-br" xml:lang="pt-br">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>CSite Title</title>
<link href="css/styles.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="js/jquery-1.3.2.min.js"></script>
<script type="text/javascript" src="js/functions.js"></script>
</head>
...
Viewing the code that don't works in Firebug I see that the file 'functions.js' is not called, I don't understand, why don't works with "<script />" and with "<script></script>" works?
somebody can answer me why occur this problem?
With the following code my site only works in Chrome, on IE7/8 and Firefox show me only the background:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>Site Title</title>
<link href="css/styles.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="js/jquery-1.3.2.min.js" />
<script type="text/javascript" src="js/functions.js" />
</head>
...
And with this code works in Chrome, IE7/8 and Firefox:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3/1999/xhtml" lang="pt-br" xml:lang="pt-br">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
<title>CSite Title</title>
<link href="css/styles.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="js/jquery-1.3.2.min.js"></script>
<script type="text/javascript" src="js/functions.js"></script>
</head>
...
Viewing the code that don't works in Firebug I see that the file 'functions.js' is not called, I don't understand, why don't works with "<script />" and with "<script></script>" works?
4 Answers
Reset to default 12from this ticket (Why don't self-closing script tags work?)
(please note that in the referenced ticket the accepted answer is not actually correct)
Note that IE does not support XHTML parsing. Even if you use an XML declaration and/or an XHTML doctype, IE still parses the document as plain HTML. And in plain HTML, the self-closing syntax is not supported. The trailing slash is just ignored, you have to use an explicit closing tag.
Even browsers with support for XHTML parsing will still parse the document as HTML unless you serve the document with a xml mime type. But in that case IE will not display the document at all!
Because <script> tag MUST have a closing tag in HTML4
Another source for information: XHTML - Is writing self closing tags for elements not traditionally empty bad practise?
The HTML specification requires that you have an end tag for a script element. The former is not valid HTML, while the latter is.
Closing the tags I think is best viewed in code and also I think a good practice. If you follow this tip will no longer have such problems.
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