HTML

• html 和 htm 是一样的
• HTML 语言不区分大小写。

Basic syntax

Mostly is paired, but there are single ones.
content

单标记 & 双标记

单标记：

• 无属性值
  

• 有属性值
  

  ---

双标记

• 无属性
  
• 有属性
  

Note：
xhtml 中，所有的 html标记都小写。
所有的标记都要有关闭。

Paste_Image.png

Paste_Image.png

The element is used for shorter quotes that sit within a paragraph. Browsers are supposed to put quotes around the element, however Internet Explorer does not — therefore many people avoid using the element.

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// 如果水平超出范围，出现水平滚动条，不推荐。

特殊字符

JPEG, PNG, GIF

Use GIF or PNG format when saving images with few colors or large areas of the same color.
Whenever you have many different colors in a picture you should use a JPEG. A photograph that features snow or an overcast sky might look like it has large areas that are just white or gray, but the picture is usually made up of many different colors that are subtly different.

路径

Paste_Image.png