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Insert an element into the tab order

Insert an element into the natural tab order using tabindex="0". For example:

<div tabindex="0">Focus me with the TAB key</div>

To focus an element, press the Tab key or call the element's focus() method.

Remove an element from the tab order

Remove an element using tabindex="-1". For example:

<button tabindex="-1">Can't reach me with the TAB key!</button>

This removes an element from the natural tab order, but the element can still be focused by calling its focus() method.

Note that applying tabindex="-1" to an element doesn't affect its children; if they're in the tab order naturally or because of a tabindex value, they'll remain in the tab order. To remove an element and all its children from the tab order, consider using the WICG's inert polyfill. The polyfill emulates the behavior of a proposed inert attribute, which prevents elements from being selected or read by assistive technologies.

Get things spinning!

.loader {
  animation: spin 0.75s infinite steps(var(--count));
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

Note the use of steps(var(--count)) to get the right effect ✨