JSON is easy for humans to read and write... in theory. In practice JSON gives us plenty of opportunities to make mistakes without even realizing it. Hjson is a syntax extension to JSON. It's NOT a ...

Avoid arrow functions for methods. Arrow functions do not have their own this. They take it from the outside. Use regular functions instead. Use constructor functions to make many objects. The new ...

JavaScript checks the memory spot. - typeof null says it is an object. It is not. - Objects pass by reference. Changes inside a function affect the original object. Build a project. Model a shopping ...