What does caret stand for in bootstrap?-Front-end Q&A-php.cn

What does caret stand for in bootstrap?

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Release： 2022-08-01 16:52:11

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In bootstrap, caret represents the triangle symbol icon; adding the "caret" class to an element will give the element a triangle symbol icon to indicate that the specified element has the function of a drop-down menu and pops up. In the menu, the triangle symbol will automatically be displayed in reverse, and the syntax is "".

What does caret stand for in bootstrap?

The operating environment of this tutorial: Windows10 system, bootstrap5 version, DELL G3 computer

caret in bootstrap What does it represent

In bootstrap, caret represents the triangle symbol icon

Add the .caret class to an element and it will be given a triangle symbol Icon used to indicate that an element has the function of a drop-down menu.

And, in the menu that pops up, the triangle symbol will automatically be displayed in reverse. For example:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <!-- IE将使用最新的引擎渲染网页 -->
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <!-- 页面的宽度与设备屏幕的宽度一致
         初始缩放比例 1:1 -->
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Demo</title>
    <meta name="author" content="www.cnblogs.com/kemingli">
    <!-- 引入外部bootstrap的css文件(压缩版)，版本是3.3.7 -->
    <link rel="stylesheet" href="bootstrap/css/bootstrap.min.css">
    <!-- HTML5 shim 和 Respond.js 是为了让 IE8 支持 HTML5 元素和媒体查询（media queries）功能 -->
    <!-- 警告：通过 file:// 协议（就是直接将 html 页面拖拽到浏览器中）访问页面时 Respond.js 不起作用 -->
    <!--[if lt IE 9]>
        <script src="https://cdn.jsdelivr.net/npm/html5shiv@3.7.3/dist/html5shiv.min.js"></script>
        <script src="https://cdn.jsdelivr.net/npm/respond.js@1.4.2/dest/respond.min.js"></script>
    <![endif]-->
</head>
<body>
    <!-- start : demo -->
    <div>
        <!-- span空着，不写内容 -->
        <span></span>
    </div>
    <!-- end : demo -->
    <!-- NO.1 加载框架依赖的jQuery文件(压缩版)，版本是1.12.4 -->
    <script src="bootstrap/js/jquery.min.js"></script>
    <!-- NO.2 加载Bootstrap的所有JS插件，版本是3.3.7 -->
    <script src="bootstrap/js/bootstrap.min.js"></script>
</body>
</html>

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Output result:

What does caret stand for in bootstrap?

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