Bootstrap is a set of utilities needed to conceive the design of a Web page or App.
But more than anything, these tools are necessary for the controlled development of Responsive Design. The content of a page must indeed be able to display correctly and in a specific way, both in a Web browser or a smartphone.
Code Examples
We start with very simple codes. The more you progress, page after page, the more sophisticated the scripts will be.
C 0001 - Hello World !
<html lang="en">
<head>
<title>Bootstrap Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="jumbotron text-center">
<h1>We need to start from somewhere...</h1>
<p>Resize and see the changes.</p>
</div> <div class="container">
<div class="row">
<div class="col-sm-4">
<h3>C1</h3>
<p>BHello World !</p>
<p>TXT1</p>
</div>
<div class="col-sm-4">
<h3>C2</h3>
<p>TIT2</p>
<p>TXT2</p>
</div>
<div class="col-sm-4">
<h3>C3</h3>
<p>TIT3</p>
<p>TXT3</p>
</div>
</div>
</div>
</body>
</html>
Reproduce this code, choosing one of the compilers below (♦ See DEF.) (don't copy-paste! It would be too easy). They have the same function, just pick up one according to your preferences.
When you copy your code, replace the existing code (by default) with your own.
Warning ! For some of these compilers, you might have to choose the programming language yourself, in a specific menu which is offered to you. Of course, don't forget to click on RUN !
C 0002 - Form
<html lang="en">
<head>
<title>Form Example</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.4.1/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
<h2>Basic Form</h2>
<form action="processing.php">
<div class="form-group">
<label for="email">Email:</label>
<input type="email" class="form-control" id="email" placeholder="Enter your email" name="email">
</div>
<div class="form-group">
<label for="pwd">Password:</label><input type="password" class="form-control" id="pwd" placeholder="Enter you password" name="pwd"></div>
<div class="checkbox">
<label><input type="checkbox" name="remember"> Remember me</label></div>
<button type="submit" class="btn btn-default">Soubmit</button>
</form>
</div>
</body>
Reproduce this code, choosing one of the compilers below (♦ See DEF.) (don't copy-paste! It would be too easy). They have the same function, just pick up one according to your preferences.
When you copy your code, replace the existing code (by default) with your own.
Warning ! For some of these compilers, you might have to choose the programming language yourself, in a specific menu which is offered to you. Of course, don't forget to click on RUN !
Info+
* Created by Mark Otto and Jacob Thornton
* Developed by Bootstrap Core Team
* Written in JavaScript, HTML, CSS and SASS
* Cross-platform
* MIT license
Tools & Levels
Practical cases
CASE 1
Create 3 pages with different editorial content
This little program will allow you to develop 3 pages, one devoted to an article, the second to a photo gallery and the third to a succession of videos.
TRY
CASE 2
Develop a website with 2 different styles
This little kit will allow you to develop a small website, using two or even three different graphic styles for its Responsive Design.
TRY
CASE 3
Preparing a series of small style libraries
Design and develop a complete library, gathering several styles families applicable to websites or Web App., depending on a dominant category.
TRY
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