JavaScript Introduction | W3Cx on edX

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Learn JavaScript, an essential Web development programming language, to add interactivity to your Web pages and become an expert Web developer.

About this course

This computer science course is an initiation to JavaScript programming and has been designed to help Web developers have an understanding of the basic concepts of the language. This course was developed in partnership between W3C and University Côte d’Azur.

JavaScript lets you add interactive features to your Web sites, including dynamically updated content, controlled multimedia, animated images, and much more.

The main objective of this course is to master good JavaScript best practices and to avoid the pitfalls of the language. We’ll use JavaScript within the Web browser.

Why JavaScript is worth your time:

HTML5, CSS and JavaScript are the “classic three” for developers and designers;
It allows you to add interactivity to your Web sites;
You can use JavaScript and HTML5 APIs to master multimedia and create custom graphics and animation, including audio and video players, music and sound effects, with the Canvas API;
Include reusable widgets and learn how to use third party libraries;
It is powerful, easy to learn, and quick to write;
It has great tools (editors, runtimes, lint tools, browsers) as well as great online support through plenty of active open source communities.
At the end of the course, we expect that you will be able to read the source code of any JavaScript example found on the Web, learn from it, tweak it, and even – why not? – start contributing to open-source JavaScript projects. This introductory course will make you think like a JavaScript developer.

What you’ll learn
How to add JavaScript (JS) code in your Web site/Web app, how to debug it
How to make interactive Web sites through the DOM API
How to change the CSS styles of HTML5 elements from JavaScript
How to deal with HTML5 forms
How to make basic graphics and animations using the HTML5 canvas
How to use the basic concepts of ES2016, the last iteration of the language: arrays, functions, loops, basic objects

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