For all the Web developers and designers out there, you’ll know that working with keyboard events isn’t a simple feat. So if you’ve ever desired to build shortcuts into your Web app, there’s a new and ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. This article dives into the happens-before ...

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 arrays, but ...

In the previous lesson, I showed you how to do a simple image rollover. In the real world, however, it’s rare that you’ll ever have one rollover on a page. In this column, I’ll show you how to add ...

The most commonly used JavaScript effect on the Web is the image rollover. For the one person with access to the Web who’s never seen one before, an image rollover happens when you move your cursor ...

JavaScript is getting mocked, but in a good way. The JavaScript-based Kakapo.js HTTP mocking library enables developers to replicate back-end logic in a declarative manner in the browser. Thus, apps ...

Data visualization is an important part of telling stories, but you can get lost in the weeds with D3.js for hours just to make a few simple charts. If charts are all you need, there are plenty of ...