Par exemple avec cette ligne tu définit une compatibiliter avec la norme xhtml 1.0<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
Ok mais lequel utiliser de ces 3 pour le html :stz a écrit :il faut préciser le doctype
http://www.pompage.net/pompe/doctype/
Code : Tout sélectionner
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN"
"http://www.w3.org/TR/html4/frameset.dtd">Code : Tout sélectionner
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1" />Code : Tout sélectionner
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">Euh quand il fait une verification de ma page il me met :calimo a écrit :La transitionelle c'est si tu utilise des balises dépréciées (mise en forme) dans le code HTML.
Sinon prend le strict
Line 31, column 55: there is no attribute "BACKGROUND"
..." width="605" height="53" background="images/arch_titre.gif" valign="middle">
You have used the attribute named above in your document, but the document type you are using does not support that attribute for this element. This error is often caused by incorrect use of the "Strict" document type with a document that uses frames (e.g. you must use the "Transitional" document type to get the "target" attribute), or by using vendor proprietary extensions such as "marginheight" (this is usually fixed by using CSS to achieve the desired effect instead).
This error may also result if the element itself is not supported in the document type you are using, as an undefined element will have no supported attributes; in this case, see the element-undefined error message for further information.
How to fix: check the spelling and case of the element and attribute, (Remember XHTML is all lower-case) and/or check that they are both allowed in the chosen document type, and/or use CSS instead of this attribute.
Line 32, column 28: "DIV" is not a member of a group specified for any attribute
<p align="center" DIV ID=ejs_texte style="font-family:tahoma;font-size:28p
Line 99, column 9: document type does not allow element "NOSCRIPT" here; missing one of "APPLET", "OBJECT", "MAP", "IFRAME", "BUTTON" start-tag
<noscript>
The mentioned element is not allowed to appear in the context in which you've placed it; the other mentioned elements are the only ones that are both allowed there and can contain the element mentioned. This might mean that you need a containing element, or possibly that you've forgotten to close a previous element.
One possible cause for this message is that you have attempted to put a block-level element (such as "<p>" or "<table>") inside an inline element (such as "<a>", "<span>", or "<font>").
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