телевизоры для просмотра цифрового телевидения цены
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телевизоры для просмотра цифрового телевидения цены, ARIA: radiogroup role - MDN Web Docs, Radio Group Pattern | APG | WAI | W3C, Are role="radiogroup" and role="radio" really necessary?, WAI-ARIA Roles - ARIA | MDN - MDN Web Docs, Accessible radio buttons: Your comprehensive how-to guide, WAI-ARIA: Role=Radiogroup - DigitalA11Y, The radiogroup role - ARIA Reference Guide.
Arrow keys are used to navigate among elements of a toolbar. When a radiogroup is nested inside a toolbar, users need to be able to navigate among all toolbar elements, including the radio buttons, without changing which radio button is checked. So, when navigating through a radiogroup in a with arrow keys, the button that is checked does not change. Rather, when inside a toolbar, the Space and Enter keys check the focused radio button if it is not already checked, with Tab moving focus into and out of the toolbar.User interactions for radiogroups must replicate the user interaction of a user entering into a group of same-named HTML radio buttons. Keyboard events for tabs, space, and arrow keys must be captured. Click events on both the radio elements and their associated labels must also be captured. Additionally, ., The radiogroup must have an accessible name either by a visible label referenced by aria-labelledby or has a label specified with aria-label. If elements provide additional information about the radio group, those elements are referenced by the radiogroup element with the aria-describedby property., WAI-ARIA Roles, States, and Properties The radio buttons are contained in or owned by an element with role radiogroup. Each radio button element has role radio. If a radio button is checked, the radio element has aria-checked set to true. If it is not checked, it has aria-checked set to false..
In the second version : you need a role="radiogroup" on the ul. Or better for accessibility : use a fieldset. aria is not for semantic, it's for accessibility. And ? Still : fieldset is better for a11y … role can replace but not better. See similar questions with these tags., ARIA roles provide semantic meaning to content, allowing screen readers and other tools to present and support interaction with an object in a way that is consistent with user expectations of that type of object. ARIA roles can be used to describe elements that don't natively exist in HTML or exist but don't yet have full browser support., For non-semantic implementations, you’ll need to add the role="radiogroup" and aria-labelledby with the same name as the topic of your group. Additionally, you’ll identify each radio button option by adding role="radio"., Learn the concepts of Accessible Rich Internet Application [WAI-ARIA] & USING THE WAI-ARIA:Radiogroup (role) along with accessible code examples., Abstract Role Composite Represents a container for navigating interactive descendants. Content Category Flow Content An element that structures and organizes the body of a web document. Allowed Descendants Flow Children Allowed Usage Elements that can designate the role in HTML: fieldset[role=radiogroup] menu[role=radiogroup] ol[role=radiogroup], The radio role is one of a group of checkable radio buttons, in a radiogroup, where no more than a single radio button can be checked at a time. A radio button is a checkable input that when associated with other radio buttons, only one of which can be checked at a time..