Arrow function

Question 1

What is the syntax for defining an arrow function?

Answer 1

const variable = () => {}
(parameter) => expression
parameter => {statements}

Question 2

When an arrow function’s body is left without curly braces, what changes in its functionality?

Answer 2

the arrow function has an implicit return.

curly braces, implicit return, have to include return statement

Question 3

How is the value of this determined within an arrow function?

Answer 3

lexical scope, takes the this from the scope it was defined in