HTML 元素以开始标签起始: HTML 元素以结束标签终止：嵌套：就如下代码，

,就是一个嵌套。

let's go to shiyanlou

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525920829931.png-wm)
标签与

标签的异同：
标签与

标签都有换行的属性及作用；
标签可以单独使用，但

标签必须和

一起使用
标签小换行，相当于回车，

标签是大换行，相当于分段，两个回车

let's go to shiyanlou
i amso happy
it's good nice

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525921044468.png-wm)

let's go to shiyanlou

i amso happy

it's good nice

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525921184377.png-wm)

let's go to shiyanlou

i amso happy

it's good nice

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525921325921.png-wm) HTML的属性：标签：

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525927407021.png-wm) 邮件编写：

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525927588353.png-wm)

标签 shuxing test

shiyanlou

My Home

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525927966339.png-wm) 改进： shuxing test

My Home

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525928248588.png-wm) 加颜色： shuxing test

My Home

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525928491240.png-wm) 文本格式化： shuxing test

My Home

bold  words
strong words
big words
emphasized words
italic words
small words

![图片描述](https://dn-simplecloud.shiyanlou.com/uid/389631/1525928867138.png-wm)