HTML5 is designed to support multimedia on mobile devices. New syntax features were introduced to support this, such as video, audio, and canvas tags. HTML5 also introduces new features that can truly change the way users interact with documents. HTML5 was adopted by a new working group of the World Wide Web Consortium (W3C) in 2007. This working group released the first public draft of HTML 5 in January 2008. Right now, HTML5 is in "Call for Review" status, and the W3C expects it to reach its final status by the end of 2014.
Course playback address: http://www.php.cn/course/389.html
The Teacher's teaching style:
The teacher's lectures are simple and in-depth, clear in structure, analyzed layer by layer, interlocking, rigorous in argumentation, and rigorous in structure. He uses the logical power of thinking to attract students' attention and controls the classroom with reason. teaching process. By listening to the teacher's lectures, students not only learn knowledge, but also receive thinking training, and are also influenced and influenced by the teacher's rigorous academic attitude
The more difficult points in this video are tags, page structures and forms Now:
1. Newly added tags
structural elements
<article>定义artical <section>定义section <nav>定义导航链接 <footer>定义页脚 <header>定义页眉
semantic block elements
<aside>定义页面内容之外的内容 <dialog>定义对话 <figure>定义媒介内容的分组
semantic inline elements
<m>定义有记号的文本 <time>定义日期时间 <meter>定义预定义范围内的度量
New elements for web page interactive experience
<datagrid>定义数列表中的数据 <datalist>定义数下拉列表 <menu>菜单 <canvas>定义图形 <command>定义命令按钮 <datatemplate>定义数据末班 <details>定义元素的细节 <embed>定义外部交互内容和插件 <event-source>为服务器发送的事件定义目标 <nest>定义数据模板中的嵌套点 <output>定义输出的一些类型 <progress>定义任何类型的任务的进度 <rule>为升级模板定义规则 <source>定义媒介源 <video>定义视频
2. Newly added attributes
left:calc(50% - 50px) is equivalent to left:50%; margin- left:-50px;
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