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Web development: JavaScript

HTML, CSS, JavaScript, React, Next.js, Git: step-by-step tutorials to build your own website or tool.

Animate SVG illustrations with Lottie and JavaScript

Would you like to animate your illustrations without having images that are too heavy? Perhaps you'd even like to manage the speed? Then you've come to the right place! Find out how to animate SVG illustrations with Lottie!

Creating a random colour generator with JavaScript

Want to practise your JavaScript skills? Try building a random colour generator! In this article, we'll look at how to do it.

Creating a skeleton with JavaScript

Let's find out together how to create a loading effect on our elements during an AJAX call, for example!

Creating a clock using JavaScript

Imagine a clock that shows the time to your users, on a travel site for example, with the time zone of the destination country? Let's create this magnificent clock together, using JavaScript!

Create a character counter in an input with JavaScript

Whether it's for choosing a nickname or for any other important data, you may need to limit the number of characters your users can enter in a form field. In this article, we'll look at how to do this simply and effectively.

Make an animated notification message with JavaScript

Whether it's to quickly warn your users that a feature of your site is not yet available or to let them know that an action has been successfully completed, notifications are the simplest and most modern way to set up. Find out how in this article!

Detecting the shift key on a form with JavaScript

Whether it's for your registration or login forms, or even on your password change pages, warning your users when they use the shift key on their keyboard will considerably improve their experience on your site. In this article, we'll show you how to do this very easily!

Create a live counter of Instagram followers

Here's how to create a live Instagram follower counter that updates automatically every second! Very useful for your websites! We're using the very latest JavaScript feature: fetch!

Automate the date of your footer

On 1 January, we often have other things to do than change the date in the footer of our sites... So let's use JavaScript or PHP to automate it!

What is the Kebab Case? What's the difference between the Pascal Case and the Snake Case?

Discover what the Kebab Case is, a naming convention commonly used in development, and compare it to the Pascal Case and the Snake Case. Learn when and how to use each convention to write more readable and maintainable code, while improving your programming skills.

Create an image slideshow

Let's discover together how to create a simple and effective image slideshow using HTML, CSS and JavaScript!