However, relying heavily on JavaScript to render your page content and provide navigation functionality brings with it well-known risks in terms of technical SEO, indexing and linkability challenges.

The JavaScript ecosystem is rich with innovation and expanding rapidly. Here are seven tools and frameworks that point to what's next for JavaScript.

In 2007, AppJet provided a service (now discontinued) for creating and hosting server-side JavaScript applications. Aptana offers an IDE for front-to-back JavaScript Web applications called Jaxer.