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standard, which lost the vendor's support, soon became a joke.With the lessons of XHTML, what working Group and the great-for-all have made backwards compatibility a very important principle when developing next-generation HTML standards, or HTML5. HTML5 does introduce many new features, but one of its most important
of errors already in the existing Web pages, many developers refuse to use the new MIME type. After the XHTML 1.0 standard, an Appendix C was added to allow developers to write pages using XHTML syntax while using the old MIME type,application/html to distribute the pages. This old MIME type does not trigger a strong error check on the browser. That's what we're
target text, link, vlink, and content model differences with alink vspace width (supported by img, object, table, col, and colgroup)
The Content Model of the element type describes what type of element instance can be included. At this point, the biggest difference between the two types of document declarations is that blockquote, body, and form elements can onl
What is the difference between XHTML and HTML?
XHTML syntax is more rigorous and has certain rules. If you do not follow the rules, errors may occur. But don't worry too much, because the XHT
What is the difference between xhtml and html-Shuai breaks the Guinness eXtensible HyperText Markup Language XHTML (eXtensible HyperText Markup Language) and is the first revision of HTML 4.01, it
What is the difference between HTML and HTML5? Believe that a lot of friends have this question, then, the following this article PHP Chinese network to give you a detailed introduction about the difference between HTML5 and HTML,
Q: What is the difference between DIV and SPAN? Many of my friends may be confused. Here, we can tell you that the biggest feature of the DIV and SPAN elements is that they do not perform any formatting and rendering on the objects in the Elements by default. Q: what
all labels must be lowercase
In XHTML, all labels must be lowercase, not case-insensitive, and not all uppercase. Examples are as follows.
Fatal error:Correct:The labels must be paired.
such as Error: Everyone good
correct:
Summary:
label order must be correctly labeled from outside to inside, layer by layer covered, so suppose you write div first write H1, end will write H1 after writing Div. Just remember
All tags must be in lowercase.
In XHTML, all tags must be in lower case, and cannot be entered in case-insensitive or all tags must be in upper case. The example is as follows.
Error:
Correct:
Tags must be paired
Like
...,...,... Tags, etc. When a tag appears, a corresponding end tag must exist, just like brackets in any programming language.
Error: Hello everyone
Q: What is the difference between xml and html? Where are their differences? A: For the differences between XML and HTML, see www. w3c. orgMarkUpwww. w3c. orgXML ldquo; Extensible Markup Language rdquo; (XML) provides a method to describe structured data. HTML tags used to control the display and appearance of data
Q: What
tags in HTML5. As the name implies, these two tags are used to play audio and video. 8. A new formHTML5 has made a lot of changes to 9. Delete This improvement is beyond my comprehension. I don't think the removal of these two tags is a great help to the code improvements. The official explanation is that CSS should b
This chapter introduces you to what are the canvas and SVG in HTML5? What is the difference between them? Have a certain reference value, the need for friends can refer to, I hope to help you.
First, what
XHTML 1.0 is an XML-style HTML 4.01.XHTML 1.1 is primarily modular in its initial format.HTML5 is the next generation of HTML, replacing HTML 4.01.The project did plan to replace HTML 4.01 with the XHTML series, but the
The HTML5 specification was created by the newly established WHATWG Working Group in 2004, the 2006 World News Consortium joined the HTML, and in 2008 the HTML5 work draft was released, and the XHTML2 Working Group was discontinued in 2009, and 2010 HTML5 began to address practical issues, Gradually the major browser manufacturers began to upgrade their products
Now that I've been asked about the difference between HTML5 and XHTML, I'm here to share some of my personal understanding, and I think from their sources, they have an interesting story to hide.First recognize three organizations, IETF (Internet Engineering Task Force) Internet Engineering Task Group,World Wide web Consortium www Alliance,Web the most authoritat
0 reply: if the scope of consideration is only the browser applications on the built-in browser and the mobile phone (safari, chrome), there are several differences:
The most prominent difference is that the front-end should pay attention to the sharing function! Before going online, every page should basically review whether the sharing function
0 reply content:
There is no difference in the effect, but as long as the content written in CSS is purely displayed, it can not follow any principle (such as display, dogs can be disguised as monkeys ), HTML may contain semantics.
Hidden indicates that the element is irrelevant and unnecessary. This meaning
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first, the concept
1. What is the difference between PC end and mobile end
from my personal point of view, I think the PC-side positioning is the user's vis
WAP2.0 mobile edition (Standard EditionOr3GWeb pages support perfect access to any mobile terminal, HTML5Touch screen editionIt mainly targets high-end smartphones and presents users with gorgeous webpage visual effects. So we can say that WAP2.0 and HTML5 complement each other, but we cannot say which one is better. If you have a high budget, you can consider deploying two web versions, we will identify an
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