HTML: TD TH TR drinking ul

What is HTML

HTML (HyperText Markup Language), an application under the Standard Generalized Markup Language; web production is necessary for the programming language
word
"hypertext" refers to the inside pages can contain images, links, and even music, programs and other non-text elements .
HTML is not a programming language, but a markup language.

The basic structure of HTML

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title>标题</title>
    </head>
<body>
        <h1>我的第一个标题。</h1>
        <p>我的第一个段落。</p>
</body>
</html>

<! DOCTYPE html> declaration as an HTML document, HTML page document is often referred to
- Documents contain HTML tags and text
Between the textual description page and, at the same time the root element HTML element is the current page
Is the inclusion of document metadata (meta) data, as defined web coding format
</strong>元素描述当前文档页面的标题</li>
Text between and is visible page content

versus
The text is displayed between the title
versus
It is displayed as the text paragraph between

HTML comments

This is a H5 title

HTML tags

Commonly referred to as HTML markup tags HTML tags (HTML Tag)

HTML tags are keywords surrounded by angle brackets, for example
HTML tags are usually in pairs, such as <\ b> and
The label on the label is the first start tag, the second tag is the end tag
In most cases, HTML document tags can be nested to achieve more complex functions

Basic tab

Title Tag: h1 ~ h6

<h1>
  这是一个最大的标题
</h1>

Paragraph tag: p

<p>
  每一个段落标签中的内容都会换行输出
</p>

Block-level tags: div

<div style="color: #FF0000">
  <h1>
      div标签常用来组合一整块标签内容
  </h1>
  <p>
      以便通过CSS样式来对其中这些元素进行格式化控制
      比如当前div标签下的所有文本均为红色
  </p>
</div>

Wrap Tags: br
```
111
<br>
222
```
Image tag: img
```
<img src = 'xxx.img' alt='图片'>
```
- src: used to specify the path of the current picture.
- alt :
  1. When the cursor is in the picture displayed content.
  2. When the content of the picture failed to load when displayed.
Links tab: a
```
<a src = 'http://www.baidu.com'> 百度 </a>
```
- href: access control address
- a: text labels to display page content elements
a unordered list: ul, li
```
<ul>
  <li>无序列表项1</li>
  <li>无序列表项2</li>
  <li>无序列表项3</li>
</ul>
```
- ul: Indicates the current unordered list
- li: a list of specific items use the label
- Do not add a single list item ul tag
Ordered list: ol, li
```
<ol>
  <li>A</li>
  <li>B</li>
  <li>C</li>
</ol>
```
- ol: Indicates the current ordered list
- li: a list of specific items use the label
- Do not add a single list item ul

External connections

Like img tags and other similar we need to access an external file, there are several common ways

The introduction of external images:
```
<img src="img/1.jpg" alt="图片" />
```
Introduced another page
```
<a src="other.html">其他页面</a>
```
The introduction of CSS style file:
```
<link rel="stylesheet" type="text/css" href="css/main.css"/>
```
- rel: the relationship between the relationship of the abbreviation, the file is used to define links and HTML documents
  
  stylesheet: Style Sheets
- type: type of document outside the chain
- href: Path outside the chain of documents

Introducing js file:

<script type = 'text/javascript' scr = 'js/jquery.js'></script>

src 与 href：
- Src resources for the introduction of resource, introduced as an integral part of the page, similar to change underwear.

The basic structure of HTML-

HTML: TD TH TR drinking ul

What is HTML

The basic structure of HTML

versus

HTML comments

HTML tags

Basic tab

External connections

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