什么是地图元素的合适WAI-ARIA角色属性 [英] What is a suitable WAI-ARIA role attribute for a map element

问题描述

在我的网页中，我有一半是使用Google地图的地图显示。我应该在显示地图的 canvas 元素中添加什么 aria-role ？我查看了 WAI-ARIA文档了解可能的角色定义和最接近的角色我发现是 widget 。

什么是合适的 aria-role 用于页面上的地图？

解决方案

如果使用的是Google地图，则应使用 role = application ，因为可以使用屏幕阅读器与地图进行交互，并且根据ARIA规范网站，应用程序角色是：

一种结构，包含一个或多个需要用户
输入的可聚焦元素，例如键盘或手势事件，但不遵循由
支持的标准交互模式

对于非盲但视力低下并能从地图中真正受益的用户而言，尤其如此。 / p>

https://www.w3.org/TR/wai-aria/#application

In my webpage, I have half of it being a map display using Google maps. What aria-role should I add to that canvas element which is displaying the map? I have looked at WAI-ARIA docs for possible role definitions and the closest I found is widget.

What would be a suitable aria-role for a map on the page?

解决方案

If you are using google maps, you should use role="application" because it is possible to use a screen reader to interact with the map and according to the ARIA spec site the application role is for:

A structure containing one or more focusable elements requiring user input, such as keyboard or gesture events, that do not follow a standard interaction pattern supported by a widget role.

This is especially true for users who are not blind but have low vision and can actually benefit from the map.

https://www.w3.org/TR/wai-aria/#application

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