发布于2021-06-17 20:26 阅读(431) 评论(0) 点赞(18) 收藏(4)
https://www.bilibili.com/video/BV1XJ411X7Ud?t=98&p=44
font color = "red"
<!doctype html>
不区分大小写哦 放在html首行数数的方式
啥进制,满啥 就进1 进1后从0开始,啥进制,就几位算满了
如果编码和解码采用的字符集不同,则会出现乱码,常见的就是ASCII、ISO8591、 GB2312、UTF- 8(万国码)
<meta charset='utf-8'>
<!-- 文档声明 声明当前网页的版本 -->
<!doctype html>
<!--- html的根标签(元素) 网页所有都在根元素中 -->
<html>
<!-- 是网页的头部,head中的内容不会再网页中出现,主要是用来浏览器和搜索引擎计解析(爬虫) -->
<head>
<!-- meta 用来设置元数据,这里设置了网页的字符类型,避免乱码 -->
<meta charset='utf-8'>
<!-- title中的内容会显示在浏览器的标题栏,搜索引擎主要根据titile中的内容来判断网页的主要内容 -->
<title>我是标题</title>
</head>
<!-- body是html的资源数,表示网页的主题,网页中所有的内容都应该在body里 -->
<body>
<!-- h1 是网页的一级标题 -->
<h1>
大标题哦
</h1>
</body>
</html>
名称: Chinese (Simplified) Language Pack for Visual Studio Code
名称: Ayu
名称: Live Server
在网页中,编写多个空格,浏览器会自动解析成一个空格
在htm中,我们不能直接书写一些特殊符号,比如大于小于号
如果我们需要在网页中,不想要浏览器将这些特殊符号进行转义了 则需要使用转义字符
实体的语法: &实体的名字;
参考https://www.w3school.com.cn/html/html_entities.asp
<meta name="keywords" content="我爱吃鱼香茄子">
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta http-equiv="refresh" content="3;url=https://blog.yxqz.top">
例如H1标签
h1 在网页中重要性仅次于titile,一般情况一个页面只有一个h1
<h2>helloworld</h2>
将相关的标题放在hgroup中来分组管理
<hgroup>
<h1>我是一级标题</h1>
<h2>我是二级标题</h2>
</hgroup>
<p>今天你很<em>好</em></p>
强调默认有加粗效果
<!-- strong 表示强调,重要内容 -->
<p>今天你很<strong>好看</strong</p>
<!-- blockquote 表示一个长引用,也是一个块级元素,独占一行 -->
<p>我爱吃<blockquote>yxqz</blockquote</p>
<!-- q表示一个短引用 行内元素,语言引用 -->
<p>我要<q>吃一大堆的茄子</q></p>
./
../
开头./
可以省略,如果不写./
和../
默认就是./
./ 表示当前文件所在的目录
../ 表示当前目录的上一级目录下的文件
vscode的快捷键 alt+shift+下或者上 复制
href属性:指定跳转的目录
href的值:
可以是一个外部网站的地址
可以是内部的页面地址 这里需要区分相对路径和觉对路径
trage属性:用来指定超链接打开的位置
trage的值:
id 属性: 唯一不重复
<!-- trage属性:
用来指定超链接打开的位置
_self 默认值:在当前页面中打开超链接
_blank 在一个新的窗口打开超链接
-->
<a href="./07-列表.html" target="_blank">超链接</a>
<a href="#dibu" >回到底部 </a>
<!-- lorem -->
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<p>Lorem ipsum dolor sit amet consectetur adipisicing elit. Officiis non impedit, porro eos delectus, earum hic itaque facilis odit, aspernatur labore. Qui, nam ex! In accusamus quibusdam quo temporibus itaque!</p>
<!--
id 属性 唯一不重复
在开发中,可以用#作为href的占位符
也可以javascripot:; 占位符
可以直接将超链接的href属性设置#,点击超链接后页面不会跳转,而是转到当前页面的顶部位置 -->
<a id="dibu" href="#" >回到顶部 </a>
- 搜索引擎也会通过alt的内容来识别图片,如果不写alt,搜索引擎收录
- 在pc端,不建议修改图片的大小,需要多大,就直接用原生多大的图片,移动端就需要对图片进行缩放(大图缩小,非原生图片)
<img src="http://p9.qhimg.com/bdr/__85/t0199ac0a6f007265ee.jpg" alt="鱼香茄子">
效果一样用小的,效果不同用效果好的
推荐base64:base64图片在线转换工具 - 站长工具 (chinaz.com)
<iframe src="https://blog.yxqz.top/" width="800" height="600" frameborder="0"></iframe>
<audio src="./resource/audio.mp3" controls loop autoplay></audio>
除了通过src指定外部文件,可以通过source标签的src来指定
<audio controls>
<source src="./resource/audio.mp3" >
<source src="./resource/audio.mp3" >
<source src="./resource/audio.ogg" >
</audio>
其实现在使用src直接引入或者source标签引入,不兼容的时候都会有友好的提示的
兼容老版本ie
需要指定type的文件类型: audio/mp3 这里的audio 代表的是音频资源格式是mp3
一般和source搭配使用
例如下面的代码。在某个ie版本或其他浏览器版本无法识别到ogg格式的时候,则会读取embed中的资源
<audio controls>
<source src="./resource/audio.mp3" >
<source src="./resource/audio.mp3" >
<source src="./resource/audio.ogg" >
<embed src="./resource/audio.ogg" type="audio/ogg">
</audio>
引入视频文件
__EOF__
作者:麻辣小龙虾
链接:http://www.qianduanheidong.com/blog/article/131606/6b16bc180fba1caf3d43/
来源:前端黑洞网
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