es6-arrow-functions

Question 1

What is the syntax for defining an arrow function?

Answer 1

let add = (x,y) => x + y

if there is one argument no parenthese
if there is no argument or multiple theyre mandatory

after arrow u can have a codeblock or a return expression

Question 2

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

Answer 2

if an arrows function body is left without curly braces then it can only be used for expressions and has an implies “return’, as statements require curly braces

Question 3

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

Answer 3

the value of this in an arrow function is determined by the value of this in the outer function because it doesn’t have it’s own