ES6

Question 1

What is a code block? What are some examples of a code block?

Answer 1

A code block is a where we can write code, some examples are a conditional code block, and a loop code block

Question 2

What does block scope mean?

Answer 2

Block scope describes the accessibility of variables inside of a code block.

Question 3

What is the scope of a variable declared with const or let?

Answer 3

The code block in which it is declared.

Question 4

Why is it possible to .push() a new value into a const variable that points to an Array?

Answer 4

because an array is mutable

Question 5

How should you decide on which type of declaration to use?

Answer 5

If a variable does not change, use const, otherwise use let

Question 6

What is the syntax for writing a template literal?

Answer 6

backticks

Question 7

What is “string interpolation”?

Answer 7

the idea that a template literal can be mutated using JavaScript expressoins