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Web Front-endH5 TutorialWhat are the benefits of HTML5's old and new syntax tags to us_html5 tutorial skills
Web Front-endH5 TutorialWhat are the benefits of HTML5's old and new syntax tags to us_html5 tutorial skillsWhat are the benefits of HTML5's old and new syntax tags to us_html5 tutorial skillsMay 16, 2016 pm 03:50 PM
html5
As we all know, HTML is the greatest invention in the history of the Internet. This hypertext markup language is actually a cornerstone of the development of the modern Internet, with a unique self-sufficient system emerging around it.
When developing HTML5, its designers were faced with some very important problems that they hoped to solve in HTML5. One of the problems is creating a semantic that is really concise and easy to extend. The tricky part of the problem right now is that older versions of HTML were designed with the idea of versatility in mind – a vast array of tags that were thought to be basic tags but have proven to be completely useless. . The purpose of HTML5 is to improve it according to the current state of the Internet.
HTML5’s new tags
The task designers need to complete is to develop a richer and more meaningful semantics for HTML5 – of course it is conceivable that this new solution will It will be flexible and efficient, while being compatible with all modern Internet standards. The following are some new tags that will be added in HTML5.
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html5的div一行可以放两个吗Apr 25, 2022 pm 05:32 PMhtml5的div元素默认一行不可以放两个。div是一个块级元素，一个元素会独占一行，两个div默认无法在同一行显示；但可以通过给div元素添加“display：inline;”样式，将其转为行内元素，就可以实现多个div在同一行显示了。
html5中列表和表格的区别是什么Apr 28, 2022 pm 01:58 PMhtml5中列表和表格的区别：1、表格主要是用于显示数据的，而列表主要是用于给数据进行布局；2、表格是使用table标签配合tr、td、th等标签进行定义的，列表是利用li标签配合ol、ul等标签进行定义的。
html5怎么让头和尾固定不动Apr 25, 2022 pm 02:30 PM固定方法：1、使用header标签定义文档头部内容，并添加“position:fixed;top:0;”样式让其固定不动；2、使用footer标签定义尾部内容，并添加“position: fixed;bottom: 0;”样式让其固定不动。
HTML5中画布标签是什么May 18, 2022 pm 04:55 PMHTML5中画布标签是“<canvas>”。canvas标签用于图形的绘制，它只是一个矩形的图形容器，绘制图形必须通过脚本（通常是JavaScript）来完成；开发者可利用多种js方法来在canvas中绘制路径、盒、圆、字符以及添加图像等。
html5中不支持的标签有哪些Mar 17, 2022 pm 05:43 PMhtml5中不支持的标签有：1、acronym，用于定义首字母缩写，可用abbr替代；2、basefont，可利用css样式替代；3、applet，可用object替代；4、dir，定义目录列表，可用ul替代；5、big，定义大号文本等等。
html5废弃了哪个列表标签Jun 01, 2022 pm 06:32 PMhtml5废弃了dir列表标签。dir标签被用来定义目录列表，一般和li标签配合使用，在dir标签对中通过li标签来设置列表项，语法“<dir><li>列表项值</li>...</dir>”。HTML5已经不支持dir，可使用ul标签取代。
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html5为什么只需要写doctypeJun 07, 2022 pm 05:15 PM因为html5不基于SGML（标准通用置标语言），不需要对DTD进行引用，但是需要doctype来规范浏览器的行为，也即按照正常的方式来运行，因此html5只需要写doctype即可。“!DOCTYPE”是一种标准通用标记语言的文档类型声明，用于告诉浏览器编写页面所用的标记的版本。
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