Water Cooler Trivia - Weekly office trivia quizzes for you and your co-workers 🎯
JavaScript.com - A free resource for learning and developing in JavaScript
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
BundlePhobia - Find the performance impact of adding a npm package to your bundle.
CoffeeRun - Let everyone enter their order for coffee runs
JavaScript Operator Lookup - A full list of JavaScript operators with examples