The main function of this label
-Create a link to another document through the href attribute
-Create a bookmark within the document through the name attribute
href or name is a required attribute
target attribute
An important attribute of the A tag—target, target defines where the linked document is displayed
Possible values for target are:
_blank
Open a new window
_parent Displayed in the previous window
_top Displayed in the top window
name
Displayed in the window named name
_self Displayed in the current window, the default attributes
_parent, _top, name must be used in combination with frame.
If the frame or window with the specified name or id does not exist, the browser will open a new window, give the window a specified tag, and then load the new document into that window. From now on, the Hyperlink document can point to this new window.
<html> <body> <h3>Table of Contents</h3> <ul> <li><a href="/example/html/pref.html" target="bodyFrame">Preface</a></li> <li><a href="/example/html/chap1.html" target="view_window">Chapter 1</a></li> <li><a href="/example/html/chap2.html" target="view_window">Chapter 2</a></li> <li><a href="/example/html/chap3.html" target="view_window">Chapter 3</a></li> </ul> <iframe id="bodyFrame" name="bodyFrame" frameborder="0"></iframe> </body> </html>
href attribute
# #href specifies the link address:
-Text link
<a href="http://www.baidu.com">百度一下</a>
-
imageLink:
<a href="http://www.baidu.com"><img src="https://ss0.bdstatic.com/5aV1bjqh_Q23odCf/static/superman/img/logo/bd_logo1_31bdc765.png"></a>
## - Absolute URL - points to another site
href="http://www.example.com/index.htm"
- Relative URL - points to a file within the site
href="index.htm"
- Anchor URL - points to an anchor in the page
href="#top"
name规定了锚的名称
相对链接
<a href="#h1">跳到第一章</a> ... <h1> <a name="h1">第一章</a> <!--这里的name可以换成id--> </h1> <p>本章的内容有....</p>
绝对链接
<a href=" <!--这段代码会让用户直接进入这个网站的这个anchor下-->
其他
download 规定被下载的目标,即点击后直接下载某个目标 (H5)
media 规定目标文档是专为什么样的平台设计的,没有实际作用 (H5)
type 规定了文档的mime类型,比如”text/css”
X/charset 规定链接的字符集(w3shool标记为所有浏览器不支持)
X/hreflang 规定链接文档的语言(w3shool标记为所有浏览器不支持)
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