Before ES6 (2015), JavaScript variables had only Global Scope and Function Scope. ES6 introduced two important new JavaScript keywords: let and const. These two keywords provide Block Scope in ...

Learn what the "this" keyword does in JavaScript in 100 seconds. And stay tuned for a few minutes of more advanced discussion after the credits.

many developers agree on that it has too many duplicated keywords and ways of writing code to achieve the same thing. Not only that, TypeScript is not a standard web language. It might be hard to ...