In search of a straightforward and effective method for focusable elements to display an outline only when the tab key is pressed, without showing it when using a mouse in React applications. (looking for something similar to :focus-visible that functions correctly on various browsers) It's frustrating how there are almost no clear, general explanations online for creating an accessible website. Appreciate any assistance!
One effective approach is to incorporate event listeners for both keyboard and mouse presses. When the tab key is pressed, you can apply a CSS class that highlights the intended elements.
function handleFirstTab(e) {
if (e.keyCode === 9) {
document.body.classList.add('user-is-tabbing');
window.removeEventListener('keydown', handleFirstTab);
window.addEventListener('mousedown', handleMouseDownOnce);
}
}
function handleMouseDownOnce() {
document.body.classList.remove('user-is-tabbing');
window.removeEventListener('mousedown', handleMouseDownOnce);
window.addEventListener('keydown', handleFirstTab);
}
window.addEventListener('keydown', handleFirstTab);
This is a general solution for focusing elements. In case there are other styles taking precedence over focus, you might need to add specificity or use "!important" to make these properties effective.
*:focus {
outline-width: 2px;
outline-style: solid;
outline-color: Highlight;
}
/* WebKit uses its default focus styles.
*/
@media (-webkit-min-device-pixel-ratio:0) {
*:focus {
outline-color: -webkit-focus-ring-color;
outline-style: auto;
}
}
source:
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