Javascript Practice 09: JS Hero - What is x?

 

Question: 

Which value does x have after execution of the following code?

function hello() {

  return 'Hi!';

}

let x = hello();

Answer: 

'Hi!'

> This is a function declaration & not a function expression 

> name of the function: hello 

> parameter: () parameter is empty 

> statement: return 'Hi!'; enclosed in curly brackets

> the function must have a return statement that specifies the value to return

> declared a variable x and initialized it with a value

> the value will be, the output we get when we 'call' the function hello()