除了直接给标签加属性,还可以通过JavaScript代码把ARIA属性添加到元素并动态地更新,如下面所示: // Find the progress bar in the DOM. var progressBar = document.getElementById("percent-loaded"); // Set its ARIA roles and states, // so that assistive technologies know what kind of widget it is...
ARIA roles columnheader Screen ReaderNVDAJAWSVoiceOver BrowserEdgeFFCrEdgeFFCrMaciOS Reliability when used correctly (30% average)0% 0% 0% 40% 69% 57% 9% 9% Data table with role=columnheader headers but no th grid Screen ReaderNVDAJAWSVoiceOver BrowserEdgeFFCrEdgeFFCrMaciOS Reliability wh...
比如用div做button,那么设置div 的 role=“button”,辅助工具就可以认出这实际上是个button。 ARIA Roles Use the ARIA role attribute to indicate that a generic tag is playing the role of a standard widget like a button. 而aria-*的作用就是描述这个tag在可视化的情境中的具体信息。比如, 辅助工具就...
When used with an element other than a native button, useButton automatically applies the necessary ARIA roles and attributes to ensure that the element is exposed to assistive technology as a button.In addition, this example shows usage of the isPressed value returned by useButton to properly ...
Our guide has more to offer about: The purpose behind the WAI-ARIA standard Bad ARIA practices Sensible usage of ARIA roles and attributesPrevious/next navigation Previous: Adding descriptions to elements using aria-describedby Next: Marking elements activatable using aria-pressed ...
Live Region Roles alert log marquee status timer Window Roles States and properties Widget attributes aria-autocomplete aria-checked aria-current aria-disabled aria-errormessage aria-expanded aria-haspopup aria-hidden aria-invalid aria-label aria-level ...
Looking more closely at the table entry for, we see that there are a lot of links: one for(which goes back to the HTML spec), and one for each of’s possible roles andglobalaria-*attributes, which take us deeper into the ARIA in HTML spec. Consider this example: say...
ARIA refers to Accessible Rich Internet Applications, a series of roles and attributes that enable web content and applications to be more accessible to individuals with disabilities. ARIA fortifies HTML to pass interactions and widgets to assistive technologies. ARIA, for example, leverages accessible ...
1.1: Landmark and Region Roles # 1.1.1: Banner Role # Role Required Attributes Optional Attributes Requires Scripting Implementation Notes banner aria-labelledby aria-label No Banner is a region that contains mostly site-oriented content, rather than page-specific content. 1.1.2: Complementa...
This handles the proper ARIA roles and attributes. Optional properties: refKey: if you're rendering a composite component, that component will need to accept a prop which it forwards to the root DOM element. Commonly, folks call this innerRef. So you'd call: getMenuProps({refKey: 'inner...