Home Web Front-end HTML Tutorial Detailed explanation of html reserved characters_html/css_WEB-ITnose

Detailed explanation of html reserved characters_html/css_WEB-ITnose

Jun 24, 2016 am 11:54 AM

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1. 注释

      HTML中的注释和其它语言注释作用相似,都是为了方便阅读和调试代码。当浏览器遇到注释时会自动忽略注释内容。HTML的注释格式多行和单行注释都用一种格式,如下:

     

      当页面HTML结构复杂或内容较多时,需要添加必要的注释来方便阅读和维护代码。同时,有时候为了调试代码,需要暂时注释掉一些不必要的代码,方便调试。

      代码规范:需要注意的是,XHTML 1.0标准规定不要在注释中在出现双横线"--".

      不规范的注释:

      规范的注释:

2. 保留字符

      因为大于号(>)小于号(<)等符号以作为HTML的语法符号,所以,如果要在页面中显示这些特殊符号,就必须使用相应的HTML的代码表示,这些特殊符号对应的HTML代码称为字符实体。

常用的特殊符号和对应的字符实体表,这些字符实体都是以"&"开头,以英文分号";"结束。

特殊符号 字符实体

空格

大于号(>)                >

     小于号(<)                <

     引号(")                  "

     版权符号(?)              ©

    (&)                       &  

 文章来源:html保留字符详解

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