{{discovery_collection}}: JavaScript Quiz SetJavaScript quiz is the good instrument to distinguish between JS ninjas, JS developers, and JS experts. Here is a set of JS tests, sorted by difficulty. Beginner: http://madebyknight.com/javascript-scope/ Intermediate: https://github.com/nathansmith/javascript-quiz http://www.nczonline.net/blog/2010/02/16/my-javascript-quiz/ Expert: http://dmitrysoshnikov.com/ecmascript/the-quiz/ http://perfectio
