Is bootstrap software?
Bootstrap is not software, but a front-end framework for rapid development of web applications and websites; bootstrap is developed based on HTML, css, and JavaScript and provides elegant html and css specifications, so bootstrap is not A piece of software.
The operating environment of this tutorial: Windows 10 system, bootstrap version 5, DELL G3 computer
bootstrap is not a software
Bootstrap is a front-end framework for rapid development of web applications and websites. Bootstrap is based on HTML, CSS, and JAVASCRIPT.
Bootstrap is a simple, intuitive, and powerful front-end development framework based on HTML, CSS, and JavaScript developed by Mark Otto and Jacob Thornton, designers of the American Twitter company, to make Web development faster. Bootstrap provides elegant HTML and CSS specifications, which are written in the dynamic CSS language Less. Bootstrap has been very popular since its launch and has been a popular open source project on GitHub, including NASA's MSNBC (Microsoft National Broadcasting Company) Breaking News. Some frameworks that are familiar to domestic mobile developers, such as the WeX5 front-end open source framework, are also performance optimized based on the Bootstrap source code.
Contents of the Bootstrap package
Basic structure: Bootstrap provides a basic package with a grid system, link styles, and backgrounds. structure. This will be explained in detail in the Bootstrap basic structure section.
CSS: Bootstrap comes with the following features: global CSS settings, defining basic HTML element styles, extensible classes, and an advanced grid system. This will be explained in detail in the Bootstrap CSS section.
Components: Bootstrap contains more than a dozen reusable components for creating images, drop-down menus, navigation, alert boxes, pop-up boxes, and more. This will be explained in detail in the Layout Components section.
JavaScript Plugins: Bootstrap includes more than a dozen custom jQuery plugins. You can include all plug-ins directly or include them individually. This will be explained in detail in the Bootstrap plugin section.
Customization: You can customize Bootstrap components, LESS variables, and jQuery plugins to get your own version.
The example is as follows:
<!DOCTYPE html>
<html>
<head>
<title>Bootstrap 实例</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/css/bootstrap.min.css">
<script src="https://cdn.staticfile.org/jquery/2.1.1/jquery.min.js"></script>
<script src="https://cdn.staticfile.org/twitter-bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<div class="jumbotron">
<h1 id="我的第一个-nbsp-Bootstrap-nbsp-页面">我的第一个 Bootstrap 页面</h1>
<p>重置窗口大小，查看响应式效果！</p>
</div>
<div class="row">
<div class="col-sm-4">
<h3 id="第一列">第一列</h3>
<p>学的不仅是技术，更是梦想！</p>
<p>再牛逼的梦想,也抵不住你傻逼似的坚持！</p>
</div>
<div class="col-sm-4">
<h3 id="第二列">第二列</h3>
<p>学的不仅是技术，更是梦想！</p>
<p>再牛逼的梦想,也抵不住你傻逼似的坚持！</p>
</div>
<div class="col-sm-4">
<h3 id="第三列">第三列</h3>
<p>学的不仅是技术，更是梦想！</p>
<p>再牛逼的梦想,也抵不住你傻逼似的坚持！</p>
</div>
</div>
</div>
</body>
</html>Output result:
Related recommendations: bootstrap tutorial
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