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Basic format of html tags

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Jun 29, 2018 am 09:45 AM

1.元素:页面中可以看见的内容,都是元素,元素是用标签来表示的

2.标签:用来描述元素的,根据元素的不同,标签也有很多种类,例如文本,图像等

3.根据标签描述的对象不同,分为双标签和单标签二类。

4.如果标签中有文本或者子标签的话,一般采用双标签来描述,例如

...

5.如果标签中的内容来自外部资源,如图像,文件等,大多使用单标签,如 Basic format of html tags

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>标签的基本格式</title>
</head>
<body>
<!--<h2>标签中有用户输入的文本,所以是双标签 -->
<h2 id="PHP中文网第二期线上培训班开课啦">PHP中文网第二期线上培训班开课啦~~</h2>
<!-- <img  src="/static/imghwm/default1.png"  data-src="../images/6.jpg"  class="lazy"  alt="Basic format of html tags" >标签中的内容来自一个外部文件,所以使用单标签来表示 -->
<img  src="/static/imghwm/default1.png"  data-src="../images/6.jpg"  class="lazy"   alt="Basic format of html tags" >
<!-- 这时你会看到图像非常大,不必担心,一会我们会给<img  alt="Basic format of html tags" >标签属性来解决这个问题 -->
    
   
</body>
</html>

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