This Q&A is part of a weekly series of posts highlighting common questions encountered by technophiles and answered by users at Stack Exchange, a free, community-powered network of 100+ Q&A sites.

Vue.js is a progressive JavaScript framework for building front-end UIs. It lets developers start simple with reactive data binding and declarative templates, then scale up to complex apps with ease.

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 ...

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 ...

I have a quick question about javascript and javascript engines. I know that if I go to an html page, that page gets downloaded by the browser onto my local computer and read by the browser. If that ...

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 ...

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 ...