HTML5 new tags: canvas, audio, video, source, embed, track, datalist, keygen, output, article, aside, bdi, nav, mark, rt, rp, ruby, time, wbr, etc. . The canvas tag can define graphics, the audio tag can define audio content, video can define video, source can define multimedia resources, and embed can define embedded content, etc.
The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.
HTML5 is the latest version of HTML, which was customized by the W3C in 2014. Enhanced browser native functions reduce browser plug-in (such as flash) applications, improve user experience satisfaction, and make development more convenient. HTML has undergone tremendous changes from 1.0 to 5.0, from a single text display function to a multimedia display function with pictures and texts. After many years of improvement, many features have developed into a very important markup language.
New tags in html5
HTML5 adds some new structural tags, multimedia tags and form tags. Let me introduce it to you below.
New element
##TagDescription
Tags define graphics, such as charts and other images. The tag is based on the JavaScript drawing API
New Multimedia Elements
TagDescription
Define audio content##
##
Define multimedia resources and Define embedded content, such as plug-ins. Specifies an external text track for media such as and elements. New form element
Define video (video or movie)
##TagDescriptionDefine the option list. Use this element in conjunction with an input element to define the possible values of the input. Specifies the key pair generator field to use for the form. Define different types of output, such as script output.
New semantic and structural elements
##TagDescription Define an independent content area of the page. Define the sidebar content of the page. Allows you to set a piece of text independent of the text direction setting of its parent element. Define a command button, such as a radio button, check box, or button< details>Used to describe the details of a document or a certain part of a document## ## is specified independently of streaming content (images, charts, photos, code, etc.). Define the title of the element Define the footer of section or document. Defines the header area of the documentDefine text with tokens. Define weights and measures. Use only for measurements with known maximum and minimum values. The part that defines the navigation link. Define the progress of any type of task. Define ruby comments (Chinese phonetic or characters). Defines the interpretation or pronunciation of a character (Chinese phonetic phonetic or character). is used in ruby comments to define the content displayed by browsers that do not support ruby elements. Define the section (section, section) in the document. Define the date or time. Specifies where in the text it is appropriate to add line breaks.
Define a dialog box, such as a prompt box
The tag contains the title of the details element
##
html5 tag usage example
(1) Define navigation link
It is also a meaningful tag. It does not mean that adding this tag somewhere will create a navigation style. These are just meaningful p. Add the menu tag
tags
html code:
1
2
3
4
5
6
7
8
9
10
11
<header>
<p>这是一个header部分</p>
<nav> <!--导航链接标签-->
<ul> <!--配合ul使用-->
<li>首页</li>
<li>关于</li>
<li>产品</li>
<li>联系</li>
</ul>
</nav>
</header>
Copy after login
css code:
1
2
3
4
5
6
7
8
9
10
11
12
nav{
height:30px;
background-color:#F33;
margin-top:100px;}
li{
list-style:none;
float:left;
width:100px;
height:30px;
}
Copy after login
In this way, only p can be used before The menu layout is
(2) Define the article tag
You can use the article Block tag is used to write articles, so use this tag to write articles in the section section. It can be used together with
html code:
1
2
3
4
5
6
7
<article><!--文章块p-->
<h2>文章标题</h2><!--标题-->
<p>文章内容文章内容文章内容文章内容文章内容文章内容
<br>
文章内容文章内容文章内容文章内容文章内容文章内容<br>
文章内容文章内容文章内容</p>
</article>
Copy after login
css style:
1
2
3
4
5
6
article{
background-color:#F33;
width:500px;
text-align:center;
margin:0px auto;
}
Copy after login
This way you can write an article
(3) Define the grouping of media content and their titles
A. This tag can be used in conjunction with its matching tag
, but the title
1
2
3
4
<figure>
<figcaption>标题</figcaption><!--配套-->
<p>标题内容</p>
</figure>
Copy after login
B must be written in the middle of
. It can also be used in combination with , where is used to write the title, while is used to write the content. The display effect is also different from the effect of matching use
1
2
3
4
<figure>
<dt>标题1</dt>
<dd>标题内容</dd>
</figure>
Copy after login
(4) Define a dialog box or window
You can also use the dd and dt tags in this tag, the title and content of the dialog box, the dialog box has The first attribute is open, and the compatibility of this tag is not very good
1
2
3
4
5
6
<dialog open>
<dt>1问题</dt>
<dd>1答案</dd>
<dt>2问题</dt>
<dd>2答案</dd>
</dialog>
Copy after login
(5) Define a list or menu of commands
A. This tag can be used together with li
1
2
3
4
5
<menu>
<li>定义列表</li>
<li>定义列表</li>
<li>定义列表</li>
</menu>
Copy after login
B. You can add your own content to the right-click (only compatible with Firefox)
Union (define commands/menu items that the user can call from the popup menu) tag using
1
2
3
4
5
<menu type=
"context"
id=
"cai"
>
<!--label是右键后显示的菜单项,onclick是选中菜单后执行的代码-->
<menuitem label=
"菜单一"
onclick=
"alert('这是菜单一')"
icon=
"右键单击显示的图片"
></menuitem>
</menu>
Copy after login
1
<span contextmenu=
"cai"
>单击我试试</span>
Copy after login
The desired menu item appears after right-clicking
Click the menu item and the content will pop up
(6) Title group
You can write some combinations of titles
for common use
1
2
3
4
5
6
<hgroup><!--标题组-->
<h3>标题</h3>
<h3>标题1</h3>
<h3>标题2</h3>
<h3>标题3</h3>
</hgroup>
Copy after login
# #(7) Define small text
This tag is actually similar to other bold tags
1
2
3
<small>法律条文</small>
<small>联系我们</small>
<small>客户意见</small>
Copy after login
(8) Define the details of the element
The content inside can be used with the title and content tags
1
2
3
4
5
6
7
8
<details>
<dt>问题</dt>
<dd>解答</dd>
<dt>问题</dt>
<dd>解答</dd>
<dt>问题</dt>
<dd>解答</dd>
</details>
Copy after login
Click on the details to see the title And the content is
(9) Define ruby comment
If you encounter a word you don’t recognize, you can use this Annotate Pinyin, but some compatibility is not very good, you can modify it at that time
1
2
<ruby>夼<rp>(</rp><rt>kuang</rt><rp>)</rp></ruby>
<!--<rp>是能够兼容的时候让括号不可见,不能兼容的时候让括号可见,rt是进行这是的内容-->
Copy after login
(10) Define the measurement within the predefined range
There are several attribute values, min="" max="" value="" low="" high="", where low and high are ranges. When the value range exceeds, different effects will be displayed
1
<meter min=
"0"
max=
"10"
value=
"4"
low=
"2"
high=
"7"
>
Copy after login
After the value value exceeds the range
1
<meter min=
"0"
max=
"10"
value=
"8"
low=
"2"
high=
"7"
>
Copy after login
(11) The label of the progress bar
1
<progress id=
"jindu"
max=
"100"
value=
"0"
></progress>进度条
Copy after login
The maximum value is the length of the progress bar, and the value value is the displayed progress. Use it to create a dynamic progress bar
1
2
3
4
5
<progress id=
"jindu"
max=
"100"
value=
"0"
></progress>进度条
<script>
var
pro = document.getElementById(
"jindu"
);
setInterval(
function
(){ pro.value+=1;},1000);
</script>
Copy after login
The progress bar can be completed in this way, right? It’s much better than writing only in js. Different browsers have different expressions
For more programming-related knowledge, please visit: Programming Learning ! !
The above is the detailed content of What are the new tags in html5. For more information, please follow other related articles on the PHP Chinese website!