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What does Bootstrap mean? How to use Bootstrap?

青灯夜游Original: 2018-10-18 17:42:246778browse

What does Bootstrap mean? How to use Bootstrap? I believe that newcomers who are new to front-end development will be a little unfamiliar with Bootstrap. So, in this article, we will introduce to you the meaning of Bootstrap and the usage of Bootstrap. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

First of all, let’s understand what Bootstrap is?

Bootstrap is an open source web front-end framework based on html, css, and JavaScript for rapid development of web applications and websites. It was launched in August 2011 by Twitter, the famous social networking site and pioneer of Weibo. roll out. It integrates HTML, CSS, and JavaScript, and uses the latest browser technology to provide a front-end toolkit for rapid web front-end development, including layout, grid, table, button, form, navigation, prompts, and other components. Using Bootstrap, you can build a very elegant front-end interface that takes up very little resources.

That’s it for the introduction to Bootstrap. If you want to know more about Bootstrap, you can visit bootstrap tutorial!

After reading what Bootstrap is, let’s take a look at How to use Bootstrap.

Steps to use the Bootstrap framework:

1. Download Bootstrap

We first need to go to the official Bootstrap website (http:/ /www.bootcss.com/) to download:

What does Bootstrap mean? How to use Bootstrap?

Click on the red line border to jump to the download page. There are three Methods are available for us to choose from. However, since we are now in the initial stage of use, we should just use Bootstrap directly in the production environment. We just download the first one:

What does Bootstrap mean? How to use Bootstrap?

We will Get a compressed package: bootstrap-3.3.7-dist.zip. After decompressing, let’s take a look at the files inside:

What does Bootstrap mean? How to use Bootstrap?

For these files, let’s understand Take a look at some of the files inside:

bootstrap.css: The complete bootstrap style sheet, uncompressed, can be used for debugging during development.

bootstrap.min.css: It is a compressed bootstrap style sheet. The content is exactly the same as bootstrap.css, but unnecessary spaces and other things in the middle are deleted, so the file size will be smaller than bootstrap.css is small and can be referenced when deploying the website. If this file is referenced, there is no need to reference bootstrap.css.

bootstrap.js: This is the soul of bootstrap. It is a collection of all js instructions in bootstrap. You can see that all js effects in bootstrap are controlled by this file. This file is also an unprocessed file. The compressed version can be used for debugging during development.

bootstrap.min.js: It is a compressed version of bootstrap.js. The content is the same as bootstrap.js, but the file size will be much smaller. When deploying the website, you can not reference bootstrap.js, but Just reference this file instead

Note: The bootstrap environment requires at least 3 files, namely: bootstrap.min.css, jQuery.min.js, bootstrap.min .js

2. Method of using bootstrap (two methods)

①By importing the file downloaded above

What does Bootstrap mean? How to use Bootstrap?

② Directly use the free CDN acceleration service provided by BootCDN (supports both http and https protocols). The access speed is faster, the acceleration effect is more obvious, there is no speed and bandwidth limit, and it is permanently free. BootCDN also provides CDN acceleration services for a large number of front-end open source tool libraries. Please go to the BootCDN homepage to view more available tool libraries.

What does Bootstrap mean? How to use Bootstrap?

Note：

bootstrap.min.css, jquery.min.js, bootstrap.min The order in which the three .js files are introduced must not be confused. Generally, the two files jquery.min.js and bootstrap.min.js are placed at the bottom of the html web page document. This is to prevent the web page from being loaded before it is loaded. Loading these two files first may cause unnecessary problems.

Let’s take a look at the use of bootstrap through an example---using bootstrap’s font icon

<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		
		<!--最新bootstrap 核心 css 文件-->
		<link rel="stylesheet" href="css/bootstrap.min.css" />
		
		<!--可选的bootstrap主题文件(一般不引入)-->
		<link rel="stylesheet" href="css/bootstrap-theme.min.css" />
		<style>
			ul{
				width: 200px;
				height: 500px;
				margin: 50px auto;
			}
			li{
				list-style: none;
				font-size: 50px;
				float: left;
				padding: 10px;
			}
		</style>
	</head>
	<body>
		<ul>
			<li><i class="glyphicon glyphicon-user"></i></li>
			<li><i class="glyphicon glyphicon-home"></i></li>
			<li><i class="glyphicon glyphicon-lock"></i></li>
			<li><i class="glyphicon glyphicon-qrcode"></i></li>
		</ul>
	</body>
	<!--jquery文件 务必在bootstrap.min.css前引用-->
	<script type="text/javascript" src="js/jquery.min.js" ></script>
	<!--最新bootstrap 核心 javascript 文件-->
	<script type="text/javascript" src="js/bootstrap.min.js" ></script>
</html>

Rendering:

What does Bootstrap mean? How to use Bootstrap?

You can view all font icons supported by bootstrap on the components page of the bootstrap official website (https://v3.bootcss.com/components/).

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