In CSS, the checked pseudo-class is used to apply styles when a form input element (checkbox or radio button) is selected. Specific scope of application and uses include: Scope of application: Applicable to check boxes (input[type="checkbox"]) and radio buttons (input[type="radio"]). Purpose: Set a specific style for the selected element, such as changing the background color, adding a border, or updating the text color.
The meaning of checked in CSS
In CSS, the checked pseudo-class means that when a form input element (such as a complex Applies the style when a checkbox or radio button is selected.
Detailed description:
Applicable scope:checked pseudo-class can be applied to the following form input elements:
Purpose: checked pseudo-class enables you to set specific styles for checked elements , for example:
## Syntax:
<code>input[type="checkbox"]:checked { /* 选中复选框时的样式 */ } input[type="radio"]:checked { /* 选中单选按钮时的样式 */ }</code>
The above is the detailed content of What does checked mean in css. For more information, please follow other related articles on the PHP Chinese website!