Book Image

Learning Bootstrap 4 - Second Edition

By : Matt Lambert
Book Image

Learning Bootstrap 4 - Second Edition

By: Matt Lambert

Overview of this book

Bootstrap, the most popular front-end framework built to design elegant, powerful, and responsive interfaces for professional-level web pages has undergone a major overhaul. Bootstrap 4 introduces a wide range of new features that make front-end web design even simpler and exciting. In this gentle and comprehensive book, we'll teach you everything that you need to know to start building websites with Bootstrap 4 in a practical way. You'll learn about build tools such as Node, Grunt, and many others. You'll also discover the principles of mobile-first design in order to ensure your pages can fit any screen size and meet the responsive requirements. Learn to play with Bootstrap's grid system and base CSS to ensure your designs are robust and that your development process is speedy and efficient. Then, you'll find out how you can extend your current build with some cool JavaScript Plugins, and throw in some Sass to spice things up and customize your themes. This book will make sure you're geared up and ready to build amazingly beautiful and responsive websites in a jiffy.
Table of Contents (15 chapters)
Learning Bootstrap 4 - Second Edition
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Free Chapter
1
Introducing Bootstrap 4

Using the Collapse component


I find that the Collapse component's name is a bit confusing. What it really means is a collapsable section that can be shown or hidden on a click action. Let's start by creating a simple collapsable section of text on the index.ejs template. Open that template and insert the following code wherever you like:

<p><a class="btn btn-primary" data-toggle="collapse" href="#collapse-link" aria-expanded="false">Collapse Link Trigger</a></p> 

The Collapse component is broken into two parts. The first is the trigger to show or hide the collapsable content. The second is the actual content you want to show or hide. Let's review it in more detail to show how to code this up:

  • The first part is the trigger for the collapsable content, and I have chosen to use a link that has some button classes on it

  • The link requires the data-toggle attribute with a value of collapse on it

  • The href for the link needs to be a unique ID name, in this case, #collapse...