How to execute a function from its string name (execute function by name) in JavaScript
Learn how to retrieve an execute a function from its string name in the browser or in Node.js
How to create a Gameboy Advance Emulator (GBA) in the browser with JavaScript
Learn how to create an emulator for the awesome old school video game console Game Boy Advance.
How to create a live Barcode scanner using the webcam in JavaScript
Learn how to create a live barcode scanner for your web application using the webcam in JavaScript
The Right Way to add keyboard shortcuts in Javascript with Mousetrap
Learn how to add keyboard shortcuts in Javascript using the Mousetrap Library.
How to display images in the JavaScript console of the Browser
Learn how to display an image in the console with JavaScript.
How to differentiate 2 images with JavaScript using js-imagediff
Learn how to differentiate images with JavaScript in the Browser.
How to retrieve all or specific get parameters from a URL with JavaScript
Learn how to retrieve a get parameter (or all of them) from a URL (or current document) with JavaScript.
How to detect if AdBlock is installed on the device of your visitors with JavaScript
Learn how to detect if your visitor is using adblock with JavaScript.
How to display a scroll progress bar in your website using PrognRoll and jQuery in JavaScript
Learn how to display an awesome progress bar in the top of your document that displays the read progress (scroll) of the document.
How to merge an Image into a QR Code in JavaScript
Learn how to create an artistic QR Code with qart.js by mergin an image on it.

JavaScript is a programming language used to make web pages interactive. It runs on your visitor's computer and doesn't require constant downloads from your website.