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JavaScript and JSON Essentials

JavaScript and JSON Essentials

By : Joseph D'mello, Sai S Sriparasa
4.5 (2)
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JavaScript and JSON Essentials

JavaScript and JSON Essentials

4.5 (2)
By: Joseph D'mello, Sai S Sriparasa

Overview of this book

JSON is an established and standard format used to exchange data. This book shows how JSON plays different roles in full web development through examples. By the end of this book, you'll have a new perspective on providing solutions for your applications and handling their complexities. After establishing a strong basic foundation with JSON, you'll learn to build frontend apps by creating a carousel. Next, you'll learn to implement JSON with Angular 5, Node.js, template embedding, and composer.json in PHP. This book will also help you implement Hapi.js (known for its JSON-configurable architecture) for server-side scripting. You'll learn to implement JSON for real-time apps using Kafka, as well as how to implement JSON for a task runner, and for MongoDB BSON storage. The book ends with some case studies on JSON formats to help you sharpen your creativity by exploring futuristic JSON implementations. By the end of the book, you'll be up and running with all the essential features of JSON and JavaScript and able to build fast, scalable, and efficient web applications.
Table of Contents (20 chapters)
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Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Index

Creating tasks in gulp.js


We are going to create a first task to greet our readers. Again, let us go through a simple stepwise procedure so that nothing is missed out.

1. First, let us write some pluggable code in gulpfile.js, as follows:

const gulp = require('gulp');
gulp.task('default', () => {
    console.log("Greetings to Readers!");
})

In preceding snippet, the task method of gulp module requires two parameters. The first one is name of task as a string and second parameter is callback where we can write the actual logic behind the specific task. 

2. Go back to the Terminal and run the gulp command. You will receive the following output:

Now, let's add a little complexity by adding one more task and using it as a dependency to the previous one:

const gulp = require('gulp');

gulp.task('default', ['dependent-task'], () => {
    console.log("Greetings to Readers!");
})

gulp.task('dependent-task', () => {
    console.log("Greetings to all!");
})

3. On executing the preceding code using...

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