Wgu C777 Unit 3: JavaScript Ultimate Exam Prep Guide: Questions & Answers for Success

C777 Unit 3: JavaScript

function - ✔ ✔ What is a named set of statements that performs a task or

calculates a value?


function myFunction(){} - ✔ ✔ How do you declare a function?


calling statement - ✔ ✔ What processes a function's statements?


nothing - ✔ ✔ What happens if you define a function but do not call it?


myFunction() - ✔ ✔ How do you call this function?




function myFunction(){


return "success";


}


return - ✔ ✔ What is used to output values from a function?


local variable - ✔ ✔ What type of variable is declared within a function and

available only from within that function?

, global variable - ✔ ✔ What type of variable is available throughout the

entire script?


argument - ✔ ✔ What is a value or expression containing data or code that is

passed on to a function?


pass by reference - ✔ ✔ What describes when values are passed to a

function, and the function's parameters receive a copy of its argument's value?




Example:


function myFunction(x){


return x;


}


var num = 2;


myFunction(num);


pass by value - ✔ ✔ What describes when values are passed to a function,

and the function's parameters receive its argument's actual value?