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JavaScript is a core programming language for web technology that can be used to modify both HTML and CSS. It is frequently abbreviated to just JS. JavaScript is used for processes that go on in the user interfaces of most web browsers, such as Internet Explorer, Google Chrome, and Mozilla Firefox. It is the most widely-used client-side scripting language today, due to its ability to make the browser do its work. In this book, you will gain a deep understanding of JavaScript. You will learn how to write JavaScript in a professional environment using the new JavaScript syntax in ES6, how to leverage JavaScript’s asynchronous nature using callbacks and promises, and how to set up test suites and test your code. You will be introduced to JavaScript’s functional programming style and you will apply everything you learn to build a simple application in various JavaScript frameworks and libraries for backend and frontend development.
Examine major features in ES6 and implement those features to build applications
Create promise and callback handlers to work with asynchronous processes
Develop asynchronous flows using Promise chaining and async/await syntax
Manipulate the DOM with JavaScript
Handle JavaScript browser events
Explore Test Driven Development and build code tests with JavaScript code testing frameworks.
List the benefits and drawbacks of functional programming compared to other styles
Construct applications with the Node.js backend framework and the React frontend framework