HTMLAreaElement

Baseline Widely available *

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨2015年7月⁩.

* Some parts of this feature may have varying levels of support.

HTMLAreaElement 接口提供了一些属性和方法 (除了常见的对象HTMLElement 接口提供的属性和方法通过继承也能获取到) 用来控制一个 area 元素的布局和展现。

属性

从它的父对象HTMLElement继承的，还有从URLUtils继承的。

HTMLAreaElement.accessKey: 值为一个 DOMString 类型，包含了一个简单的字符代表键盘上的一个按键，相当于快捷键。
HTMLAreaElement.alt: 值为一个DOMString 类型，代表了 alt HTML 属性，包含一个 area 对象显示异常的情况下显示的备用文本字符串。
HTMLAreaElement.coords: 值为一个 DOMString 类型，代表了 coords HTML 属性，包含了定义热区相关的坐标。
HTMLAreaElement.download 实验性: 值为一个 DOMString 类型，表明此资源是将要被下载的资源而不是显示在浏览器页面中。值为下载保存文件的推荐文件名。如果名字在操作系统里不是一个合格的文件名格式，浏览器将会做相应的修改。
URLUtils.hash: Is a DOMString containing the fragment identifier (including the leading hash mark (#)), if any, in the referenced URL.
URLUtils.host: Is a DOMString containing the hostname and port (if it's not the default port) in the referenced URL.
URLUtils.hostname: Is a DOMString containing the hostname in the referenced URL.
URLUtils.href: Is a DOMString containing that reflects the href HTML attribute, containing a valid URL of a linked resource.
HTMLAreaElement.hreflang: Is a DOMString containing that reflects the hreflang HTML attribute, indicating the language of the linked resource.
HTMLAreaElement.media: Is a DOMString containing that reflects the media HTML attribute, indicating target media of the linked resource.
HTMLAreaElement.noHref 已弃用: Is a Boolean flag indicating if the area is inactive (true) or active (false).
URLUtils.password: Is a DOMString containing the password specified before the domain name.
URLUtils.origin 只读: Returns a DOMString containing the origin of the URL, that is its scheme, its domain and its port.
URLUtils.pathname: Is a DOMString containing the path name component, if any, of the referenced URL.
URLUtils.port: Is a DOMString containing the port component, if any, of the referenced URL.
URLUtils.protocol: Is a DOMString containing the protocol component (including trailing colon ':'), of the referenced URL.
HTMLAreaElement.rel: Is a DOMString that reflects the rel HTML attribute, indicating relationships of the current document to the linked resource.
HTMLAreaElement.relList 只读: Returns a DOMTokenList that reflects the rel HTML attribute, indicating relationships of the current document to the linked resource, as a list of tokens.
HTMLAreaElement.search: Is a DOMString containing the search element (including leading question mark '?'), if any, of the referenced URL.
HTMLAreaElement.shape: Is a DOMString that reflects the shape HTML attribute, indicating the shape of the hot-spot, limited to known values.
HTMLAreaElement.tabIndex: Is a long containing the element's position in the tabbing order.
HTMLAreaElement.target: Is a DOMString that reflects the target HTML attribute, indicating the browsing context in which to open the linked resource.
HTMLAreaElement.type: Is a DOMString that reflects the type HTML attribute, indicating the MIME type of the linked resource.
URLUtils.username: Is a DOMString containing the username specified before the domain name.

Methods

Inherits methods from its parent, HTMLElement and implement those from URLUtils.

URLUtils.toString(): Returns a DOMString containing the whole URL of the script executed in the Worker. It is a synonym for URLUtils.href.