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...
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 ...
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, 辅助工具就会知道,这个div实际上是个checkbox的角色,为选中...
Also keep in mind that ARIA is not intended only for HTML. Some of the roles and attributes that I find baffling for the web would make perfect sense in other formats such as ePub. The evaluation is based on current assistive technology support (which can and hopefully will improve). ...
Missing ARIA roles and attributes for colgroup and rowgroup #2324 openedAug 27, 2024byJAWS-test Automate PR labeling #2318 openedAug 22, 2024bydaniel-montalvo Add prettier support (config/instructions)Agenda-Editorseditoriala change to an example, note, spelling, grammar, or is related to publish...
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...
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...
Along with placing them directly in the markup, ARIA attributes can be added to the element and updated dynamically using JavaScript code like this: // Find the progress bar in the DOM.varprogressBar=document.getElementById("percent-loaded");// Set its ARIA roles and states,// so that a...