es6-classes

Question 1

What is “syntactic sugar”?

Answer 1

a term used in computer science to describe language constructs or notations that make a programming language easier to read or write, without changing its underlying meaning or behavior. It provides a more convenient or expressive way to perform operations that could be done in a more verbose or complex manner without it.

Question 2

What is the typeof an ES6 class?

Answer 2

When used on an instance of an ES6 class, typeof will return the string “object”. When used on the class constructor function itself, it will return “function”.

Question 3

Describe ES6 class syntax.

Answer 3

class MyClass {
constructor(arg1, arg2) {
this.property1 = arg1;
this.property2 = arg2;
}

method1() {
// implementation of method1
}

method2() {
// implementation of method2
}
}

Question 4

What is “refactoring”?

Answer 4

“Refactoring” is the process of changing the structure of existing code to improve its readability, maintainability, or performance, without changing its functionality or behavior.