In WebStorm setup a mocha run configuration to be able to run your unit tests in debug mode and add break points. This step is not required but is highly recommended to facilitate you with developing.

* – the previous version is published in Russian, need to backport/translate the new one from English. If you'd like to translate it into your language, please ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

Last week we enhanced a map interface with voice commands using annyang. This week we’ll extend our multi-modal interface even further by adding simple head-tracking using pico.js. Pico.js is a ...