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Learning Bootstrap 4 - Second Edition

By : Lambert

3.2 (6)

Learning Bootstrap 4

3.2 (6)

By: 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.

Preface

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

1. Introducing Bootstrap 4

1. Introducing Bootstrap 4

Introducing Bootstrap

Summary

2. Using Bootstrap Build Tools

2. Using Bootstrap Build Tools

Different types of tools

Download the Bootstrap source files

Setting up the blog project

Setting up the JSON files

Creating our first page template

Summary

3. Jumping into Flexbox

3. Jumping into Flexbox

Flexbox basics and terminology

Ordering your Flexbox

Wrapping your Flexbox

Setting up the Bootstrap Flexbox layout grid

Setting up a Flexbox project

Designing a single blog post

Summary

4. Working with Layouts

4. Working with Layouts

Working with containers

Inserting rows into your layout

Adding columns to your layout

Choosing a column class

Creating a simple three-column layout

Mixing column classes for different devices

Coding the blog home page

Using responsive utility classes

Summary

5. Working with Content

5. Working with Content

Reboot defaults and basics

Learning to use typography

Customizing headings

How to style images

Coding tables

Summary

6. Playing with Components

6. Playing with Components

Using the button component

Basic button examples

Creating outlined buttons

Checkbox and radio buttons

Coding forms in Bootstrap 4

Creating an inline form

Adding validation to inputs

Using the Jumbotron component

Adding the Label component

Using the Alerts component

Using Cards for layout

Updating the Blog index page

How to use the Navs component

Adding Breadcrumbs to a page

Using the Pagination component

How to use the List Group component

Summary

7. Extending Bootstrap with JavaScript Plugins

7. Extending Bootstrap with JavaScript Plugins

Coding a Modal dialog

Coding Tooltips

Avoiding collisions with our components

Using Popover components

Using the Collapse component

Coding an Accordion with the Collapse component

Coding a Bootstrap Carousel

Summary

8. Throwing in Some Sass

8. Throwing in Some Sass

Learning the basics of Sass

Using Sass in the blog project

Importing partials in Sass

Creating a collection of variables

Customizing components

Writing a theme

Summary

9. Migrating from Version 3

9. Migrating from Version 3

Browser support

Big changes in version 4

Updating your variables

Additional global changes

Other font updates

Migrating components

Migrating JavaScript

Miscellaneous migration changes

Summary

Customer Reviews

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Setting up the JSON files

Each Harp project has at least two JSON files that are used for configuring a project. JSON stands for JavaScript Object Notation and it's a lightweight format for data interchange. If that sounds complicated, don't worry about it. The actual coding of a JSON file is actually really straightforward, as I will show you now.

The first is called _harp.json and it's used for configuring global settings and variables that will be used across the entire blog. In this case, we're going to set up a global variable for the name of our project that will be inserted into every page template. Start by creating a new file in the root of blog project and call it _harp.json. Within the file, insert the following code:

{ 
   "globals": { 
      "siteTitle": "Learning Bootstrap 4" 
   } 
}

Here's what's happening in this code:

We're using the globals keyword so any variables under this will be available across all of...

Visually different images

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