Mousetrap is a simple and small (1.5kb) library for handling keyboard shortcuts without the use of jQuery and works in IE 6+, Safari, Firefox, Chrome and possibly Opera (so we’ve heard).

Thankfully, using JavaScript to create this effect isn’t that difficult. In this article, I’m going to show you how to write the JavaScript code for a rollover, step by step.

Learn how to use n8n Code Node to create custom automation workflows with simple JavaScript—perfect for non-coders and beginners.

JavaScript’s reduce is one of the most useful array methods that should be in a developer’s arsenal. Introduced in ES5, it’s somewhat similar to for…each and map methods that are used with ...