Home Web Front-end HTML Tutorial 第二章 XHTML基础_html/css_WEB-ITnose

第二章 XHTML基础_html/css_WEB-ITnose

Jun 24, 2016 am 11:17 AM

 

1、一个网页,也就是一个XHTML文档,是由元素组成。元素定义了文本和图形在XHTML文档中的结构。XHTML文档的扩展名通常是.html或者htm。

2、XHTML元素使用XHTML标记定义,每个标记都出现在一对尖括号中,标记通常成对出现。第一个标记定义了标记的起点,称为“开始标记”;第二个标记定义了标记的结尾,称为“结束标记”。在开始标记和结束标记之间的文本称为元素内容。

3、标记具有属性,属性提供了关于页面上XHTM元素的附加信息。

4、XHTML文档的总体结构由、

、这三个文档级的标记构成。

5、XHTML包含了几个块级的标记来限定和格式化段落文本。这些标记包括:

,

,
,
,
Copy after login
    ,
    ,
    ,

    6、创建超链接的XHTML标记为 href=URL或者锚点的名称,target=_blank,_parent,_self,_top创建空白、父级、本窗口、顶层的窗口  name=name  href=”#name”就可以回到之前锚点定义的位置

    7、创建图形信息的XHTML标记为第二章 XHTML基础_html/css_WEB-ITnose(自闭合标记)

    8、创建多媒体信息的XHTML标记为

    9、创建表格信息的XHTML标记为

    10、XHTML元素分为块级元素和内嵌元素两种类型,二者的不同之处在于块级元素定义的文本是换行的,而内嵌元素定义的文本是不换行的。

  1. 首字母缩写 
  2. 地址
  3.  
    换行
  4.  粗体显示 
  5. 整块斜体显示  强调
  6. 某个词斜体显示 不同
  7.  高亮强调 
  8. 文本显示方向,默认从左到右显示。
  9. 删除,中间有一横线
  10. 插入,配合del使用
  11. 定义预编排格式
    Copy after login
  12. 定义一个短的引用
  13. 下划线(已过时)
  14.  

     

    根据HTML5的规范,标签应作为最后的选择,只有在没有其他标记比较合适的时候才修改。

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