es6-classes

Question 1

What is “syntactic sugar”?

Answer 1

Is syntax within a programming language that is designed to make things easier to read or to express.

It makes the language “sweeter” for human use: things can be expressed more clearly, more concisely, or in an alternative style that some may prefer.

Question 2

What is the typeof an ES6 class?

Answer 2

The class declaration is just syntactic sugar of the constructor function, therefore, the result of the ‘typeof’ operator of ES6 class is function.

Question 3

Describe ES6 class syntax.

Answer 3

Class keyword followed by curly braces for the class declaration

Question 4

What is “refactoring”?

Answer 4

Code refactoring is the process of restructuring existing computer code—changing the factoring—without changing its external behavior; preserve functionality