Wgu C777 Unit 3: JavaScript Master Your Exam: Premium Practice Questions & Solutions

Wgu C777 Unit 3: JavaScript

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 - ✔ ✔ Corr - 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?




Example:


function myFunction(x){


return x;


}


myFunction(2);


isNaN() - ✔ ✔ - Which method determines whether an

value is a number?