focus

The :focus selector is used to select the element that has focus. Tip: The :focus selector is allowed on elements that accept keyboard events or other user ...

2016年5月16日 — 1 Answer 1 ... :focus only works on input[type=text] and textarea elements, but also works on other elements like div's if they have the ...

如按鈕要表達已經被按下了，用戶不需要再按下一次，那麼我們可以用 .active 來說明這個 ... input:focus border-color: blue; } /* 800 行*/ .input:disabled, .input ...

<p><b>Click inside this frame, then press tab to see the focus states.</b></p>. 2. ​. 3. <div class=button-container>. 4. <button class=custom-button ...

2019年4月6日 — By using custom, accessible, focus states, we can make websites much easier to use for people that navigate using the keyboard.

2021年2月15日 — The :focus selector is used to select the element that has focus. The :focus selector is allowed on elements that accept keyboard events or ...

2023年2月20日 — The :focus CSS pseudo-class represents an element (such as a form input) that has received focus. It is generally triggered when the user ...

2023年9月14日 — The :focus-visible pseudo-class applies while an element matches the :focus pseudo-class and the UA (User Agent) determines via heuristics ...

2019年12月2日 — This works best for elements that can be filled, such as buttons. Select the focused state of the element and apply a contrasting background ...

The autofocus attribute is a boolean attribute. When present, it specifies that a button should automatically get focus when the page loads. Browser Support.