# HTML5語言
頭標記
```
<pre class="calibre14">```
<span class="token"><</span><span class="token">!</span>DOCTYPE html<span class="token">></span>
<span class="token"><</span>meta charset<span class="token">=</span><span class="token4">"utf-8"</span><span class="token">></span>
<span class="token"><</span>base href<span class="token">=</span><span class="token4">"http://www.runoob.com/images/"</span><span class="token">/</span><span class="token">></span>
<span class="token"><</span>link rel<span class="token">=</span><span class="token4">"stylesheet"</span> type<span class="token">=</span><span class="token4">"text/css"</span> href<span class="token">=</span><span class="token4">"mystyle.css"</span><span class="token">></span>
<span class="token"><</span>meta name<span class="token">=</span><span class="token4">"keywords"</span> content<span class="token">=</span><span class="token4">"HTML, CSS, XML, XHTML, JavaScript"</span><span class="token">></span>
<span class="token"><</span>meta name<span class="token">=</span><span class="token4">"description"</span> content<span class="token">=</span><span class="token4">"Free Web tutorials on HTML and CSS"</span><span class="token">></span>
<span class="token"><</span>meta name<span class="token">=</span><span class="token4">"author"</span> content<span class="token">=</span><span class="token4">"Hege Refsnes"</span><span class="token">></span>
<span class="token"><</span>meta http<span class="token">-</span>equiv<span class="token">=</span><span class="token4">"refresh"</span> content<span class="token">=</span><span class="token4">"30"</span><span class="token">></span>
```
```
框架
```
<pre class="calibre14">```
<span class="token"><</span>iframe src<span class="token">=</span><span class="token4">"demo_iframe.htm"</span> width<span class="token">=</span><span class="token4">"200"</span> height<span class="token">=</span><span class="token4">"200"</span> frameborder<span class="token">=</span><span class="token4">"0"</span><span class="token">></span><span class="token"><</span><span class="token">/</span>iframe<span class="token">></span>
```
```
視頻
```
<pre class="calibre14">```
<span class="token"><</span>video width<span class="token">=</span><span class="token4">"320"</span> height<span class="token">=</span><span class="token4">"240"</span> controls<span class="token">></span>
<span class="token"><</span>source src<span class="token">=</span><span class="token4">"movie.mp4"</span> type<span class="token">=</span><span class="token4">"video/mp4"</span><span class="token">></span>
<span class="token"><</span>source src<span class="token">=</span><span class="token4">"movie.ogg"</span> type<span class="token">=</span><span class="token4">"video/ogg"</span><span class="token">></span>
您的瀏覽器不支持Video標簽。
<span class="token"><</span><span class="token">/</span>video<span class="token">></span>
```
```
音頻
```
<pre class="calibre14">```
<span class="token"><</span>audio controls<span class="token">></span>
<span class="token"><</span>source src<span class="token">=</span><span class="token4">"horse.ogg"</span> type<span class="token">=</span><span class="token4">"audio/ogg"</span><span class="token">></span>
<span class="token"><</span>source src<span class="token">=</span><span class="token4">"horse.mp3"</span> type<span class="token">=</span><span class="token4">"audio/mpeg"</span><span class="token">></span>
您的瀏覽器不支持 audio 元素。
<span class="token"><</span><span class="token">/</span>audio<span class="token">></span>
```
```
連接
```
<pre class="calibre14">```
<span class="token"><</span>a href<span class="token">=</span><span class="token4">"http://www.runoob.com/"</span> target<span class="token">=</span><span class="token4">"_blank"</span><span class="token">></span>訪問菜鳥教程<span class="token">!</span><span class="token"><</span><span class="token">/</span>a<span class="token">></span>
```
```
表單數字
```
<pre class="calibre14">```
<span class="token"><</span>select id<span class="token">=</span><span class="token4">"select"</span> multiple<span class="token">></span>
<span class="token"><</span>option value<span class="token">=</span><span class="token4">"中國0"</span> selected<span class="token">></span>中國<span class="token3">0</span><span class="token"><</span><span class="token">/</span>option<span class="token">></span>
<span class="token"><</span>option value<span class="token">=</span><span class="token4">"中國1"</span><span class="token">></span>中國<span class="token3">1</span><span class="token"><</span><span class="token">/</span>option<span class="token">></span>
<span class="token"><</span>option value<span class="token">=</span><span class="token4">"中國2"</span><span class="token">></span>中國<span class="token3">2</span><span class="token"><</span><span class="token">/</span>option<span class="token">></span>
<span class="token"><</span>option value<span class="token">=</span><span class="token4">"中國3"</span><span class="token">></span>中國<span class="token3">3</span><span class="token"><</span><span class="token">/</span>option<span class="token">></span>
<span class="token"><</span><span class="token">/</span>select<span class="token">></span>
<span class="token"><</span>input type<span class="token">=</span><span class="token4">"number"</span> name<span class="token">=</span><span class="token4">"quantity"</span> min<span class="token">=</span><span class="token4">"1"</span> max<span class="token">=</span><span class="token4">"5"</span><span class="token">></span>
<span class="token"><</span>input type<span class="token">=</span><span class="token4">"text"</span> name<span class="token">=</span><span class="token4">"lname"</span> form<span class="token">=</span><span class="token4">"form1"</span><span class="token">></span>form表示表單外依然屬于這個表單id
<span class="token"><</span>input type<span class="token">=</span><span class="token4">"file"</span> name<span class="token">=</span><span class="token4">"img"</span> multiple<span class="token">></span> 多選屬性
pattern<span class="token">=</span><span class="token4">"[A-Za-z]{3}"</span> 正則
placeholder<span class="token">=</span><span class="token4">"First name"</span> 提示
required 必填
readonly只讀
```
```
實體
```
<pre class="calibre16">```
空格 <span class="token">&</span>nbsp<span class="token2">;</span>
? <span class="token">&</span>copy<span class="token2">;</span>
換行 <span class="token">&</span><span class="token3">13</span><span class="token2">;</span>
<span class="token">&</span> <span class="token">&</span>amp<span class="token2">;</span>
<span class="token"><</span><span class="token">></span> <span class="token">&</span>lt<span class="token2">;</span> <span class="token">&</span>gt<span class="token2">;</span>
<span class="token2">{</span><span class="token2">}</span> <span class="token">&</span>#<span class="token3">123</span><span class="token2">;</span> <span class="token">&</span>#<span class="token3">125</span><span class="token2">;</span>
" <span class="token">&</span>quot<span class="token2">;</span>
```
```
- 簡介
- 第一章 數據庫
- Mysql/mariadb
- 函數
- 基礎
- 增刪改索引
- 標準查詢
- 高級查詢
- TIDB集群mysql解決方案
- Redis
- 語言基礎
- 5種數據類型
- 其他類型
- Sqlite
- 語言基礎
- 常用查詢
- 第二章 PHP
- 語言基礎
- 第一課 流程控制和運算
- 第二課 數組
- 第三課 日期時間
- 第四課 常用函數
- 第五課 字符串
- 第六課 文件操作
- 第七課 面向對象
- 第八課 正則表達式
- 第九課 圖片處理生成
- 第十課 curl/memche
- 第十一課 mysql和pdo
- 第十三課 cookie和session
- 第十四課 xml操作
- 第十五課 php5.3+新特性
- 第十六課 php7+
- 第十七課 密碼安全
- 廢棄函數
- php命令行
- redis應用
- 算法
- 排序算法
- 基礎算法
- 無限級分類
- 自定義函數Fn
- 查找算法
- 自定義函數數據函數fn
- laravel
- 路由
- 常用語句
- 數據庫
- dingo/api
- Yii2
- 控制器
- 常用類
- 數據庫
- redis
- thinkphp6
- TP6文檔
- TP6插件
- dedecms
- 織夢標簽大全
- 數據庫操作
- 內置函數和定義函數
- 織夢核心改動
- 織夢插件/底層標簽開發
- PHP相關工具
- composer
- php開發環境phpenv
- Phpstorm使用
- windows編譯php擴展
- PHP開源庫
- 開源項目管理禪道
- sns_auth
- php-casbin權限控制
- php-jwt
- 微信SDKeasywechat
- querylist采集庫
- workerman
- Box/Spout處理excel和csv
- dll擴展
- redis/memche/xdebug
- redis
- Lua
- php_xlswriter
- event
- swoole
- 常用代碼庫
- 微擎框架
- 第一課全局變量
- 第二課常用函數
- 第三課自定義微擎獨有函數
- 第四課數據庫操作
- 第五課微信端回復
- 第六課微擎高級操作
- 第八課global函數列表
- mainfest.xml詳解
- js方法
- 人人商城
- 第一課model解讀
- 第二課常用語句解讀
- 第三課常用js解讀
- 第四課附錄常見問題
- 第五課附錄處理報表|支付
- 常用JSON狀態碼
- 第三章 JavaScript
- js基礎
- 瀏覽器對象
- 語言基礎
- html5接口
- ES6新語法
- vue
- 基礎語法
- 京東vueUI組件
- uniapp
- 組件開發規范
- nodejs
- 基礎知識
- 安裝node
- nvm不同版本node切換
- js常用標準庫
- zepto/jquery
- weui
- js圖標庫
- elementUI
- validator表單驗證
- layer彈出層
- requirejs
- wow動畫
- 動畫animate
- swiper4
- 百度編輯器
- flyio/axios/qs
- jquery.form
- bootstrap3
- clipboard復制
- slideout側滑
- imagehover.css圖片懸停動畫
- webpack打包
- Bulma UI框架
- store 客戶端存儲
- lottie動畫創建庫
- sweetalert
- js自定義函數
- 常見JSSDK
- 微信公眾號JSSDK
- 騰訊地圖jssdk
- 微信小程序
- 第四章 編程語言
- markdown語言
- Dart語言
- Dart語言基礎
- Flutter框架
- Lua語言
- 字符串,數組,表
- 自定義方法
- go語言
- 第1.1語言基本語法
- 第1.2流程控制
- 第1.3函數
- 第1.4結構體
- 第1.5接口
- 第1.6包
- go語言框架Gin
- CSS3語言
- CSS與CSS3
- 選擇符
- 屬性
- css3
- loading動畫
- HTML5語言
- less
- sass
- C#
- 基礎知識
- 函數
- 第五章 開發工具
- git
- nginx/apache服務器
- Linux常用操作
- crontab定時任務
- 注冊表與cmd
- 阿里云ECS
- frp穿透和ssl續期
- 寶塔安裝
- 樹莓派
- 瀏覽器模擬
- 火狐/chrome常用插件
- WSL安裝使用
- mac brew和終端命令
- win10相關