When comparing Mozilla Developer Network vs 30 seconds of code, the Slant community recommends 30 seconds of code for most people. In the question“What are the best resources to learn JavaScript?” 30 seconds of code is ranked 4th while Mozilla Developer Network is ranked 14th. The most important reason people chose 30 seconds of code is:
Main selling point of the project is that you can learn some useful techniques and tricks in 30 seconds or less.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Free & open source
Pro Step by step learning on the ins and outs of JavaScript
Pro Close to first-hand information
The best information sources are the W3C, JavaScript, Golang etc. specs, but they are too hard to read. All these videos (Lynda, Udemy, mail.ru, etc.) and articles may and do contain outdated and sometimes incorrect information.
Pro Short and sweet
Main selling point of the project is that you can learn some useful techniques and tricks in 30 seconds or less.
Pro Lots of examples
Over 300 code snippets.
Pro ES6
Uses the latest stable features of ES6 to teach developers how to write modern code.
Pro Functional-style code
The project's code examples follow best practices for functional programming.
Cons
Con No exercises to work with
Con Not production-ready
A few of the code examples are not ready for production, but they can easily be made into production-ready methods with some tweaks. The library has a stable release as of August 2018.