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HTML href 属性


定义和用法

对于 <a><area> 元素,href 属性指定链接指向的页面的 URL。

对于 <base> 元素,href 属性指定页面上所有相对 URL 的基本 URL。

对于 <link> 元素,href 属性指定外部资源(通常是样式表文件)的位置(URL)。


适用于

href 属性可用于以下元素

元素 属性
<a> href
<area> href
<base> href
<link> href

示例

A 示例

href 属性指定链接的目标

<a href="https://w3schools.org.cn">访问 W3Schools</a>
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Area 示例

一个带有可点击区域的图像地图

<img src="planets.gif" width="145" height="126" alt="行星"
usemap="#planetmap">

<map name="planetmap">
  <area shape="rect" coords="0,0,82,126" href="sun.htm" alt="太阳">
  <area shape="circle" coords="90,58,3" href="mercur.htm" alt="水星">
  <area shape="circle" coords="124,58,8" href="venus.htm" alt="金星">
</map>
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Base 示例

为页面上所有相对 URL 指定基本 URL

<head>
<base href="https://w3schools.org.cn/images/">
</head>
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Link 示例

链接到外部样式表

<link rel="stylesheet" type="text/css" href="theme.css">
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浏览器支持

对于每个元素,href 属性具有以下浏览器支持

元素
a
area
base
link

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