Final Review - Unit 4

Which of these are correct methods to create a function?

• function myFunction {

  // Some code }

• function myFunction[] {

  // Some code }

• function myFunction() {

  // Some code }

• function myFunction(x, y, z) {

  // Some code }

Given the following code, which is considered the parameters of the function

function myFunction(a, b, c) {

var x = a + b + c;

}

• x

• a

• b

• c

Given the following code, what is the final value of x?

var x = 0;

function myXFunction() {

x = x + 10;

}

x = x + 1;

• 11

• 0

• 10

• 1

What should go into the indicated location make the final value of x = 11?

var x = 0;

function myXFunction() {

x = x + 10;

}

WRITE CODE HERE

x = x + 1;

• function myXFunction()

• MYXFUNCTION()

• myXFunction()

• myxfunction()

Fill in the blanks to allow the following button invoke the myFunction function when clicked

<button id="myButton" ________ />

function myFunction() {

//Some Code }

Which of the following code will allow the button to invoke hisFunction?

<button id="myButton" value="Click Me" ________ />

function hisFunction(X, Y) {

//Some Code }

• onclick = "hisFunction()"

• onclick = "hisFunction"

• onclick = "hisFunction(1)"

• onclick = "hisFunction(1, 2)"

What code will result in the above?

• alert("Please enter your phone number:")

• confirm("Please enter your phone number:")

• prompt("Please enter your phone number:")

In which one of these lines of code is A, B and C considered arguments?

• function myFunction(A, B, C) { ... }

• function myFunction() {

  var A; var B; var C; }

• myFunction(A, B, C);

• var x = function(A, B, C) { ... };

Identify the parameter in the following code:

function First(Second) {

var Third = 0;

}

First(Fourth);

• First

• Second

• Third

• Fourth

A JavaScript function is defined with the ______ keyword, followed by a name, followed by parentheses ().

• let

• function

• argument

• parameter