Home >Web Front-end >CSS Tutorial >What does focus mean in css style?

What does focus mean in css style?

WBOY
WBOYOriginal
2021-12-14 15:04:348305browse

In CSS, focus means "focus" and is a pseudo-class selector, which is used to select the element that has the focus; the ":focus" selector can be used to set styles for the element that has the focus. The syntax is "element:focus{css style code;}".

What does focus mean in css style?

The operating environment of this tutorial: Windows 10 system, CSS3&&HTML5 version, Dell G3 computer.

What does focus mean in css style?

In css, focus means focus, which usually means ":focus" selection The ":focus" selector is used to select the focused element. The :focus selector is allowed on elements that receive keyboard events or other user input.

The example is as follows:

<html>
<head>
<style>
input:focus
{
background-color:yellow;
}
</style>
</head>
<body>
<p>在文本框中点击,您会看到黄色的背景:</p>
<form>
First name: <input type="text" name="firstname" /><br>
Last name: <input type="text" name="lastname" />
</form>
<p><b>注释:</b>如果 :focus 用于 IE8 ,则必须声明 <!DOCTYPE>。</p>
</body>
</html>

Output result:

What does focus mean in css style?

(Learning video sharing: css video tutorial)

The above is the detailed content of What does focus mean in css style?. For more information, please follow other related articles on the PHP Chinese website!

Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn