As Node.js and SPAs have became more popular, more and more JavaScript libraries are being written every day. At the time of writing, over 775,000 packages are listed on npmjs.com, the de facto package manager for JavaScript. These include libraries for handling time and date (moment.js), utility libraries (lodash), and even a deep learning library (convnetjs).
npm packages were originally only meant to be installed and run by server-side Node.js; however, tools such as Browserify and Webpack allowed us to bundle these dependencies and send them to the client. Now, many npm packages can be used in both the front- and back-end.
Likewise, by using JavaScript across your entire stack, you can encapsulate common logic and use it across ...
