QUESTION 1

How many times will this loop execute? var x = 0; for(var i = 8; i >= 3; i--) { x = x + 2; }

		6
		7
		5
		0

QUESTION 2

"After the for-loop ends the value of the variable nameFound be false. Why? var names = ['Smith', 'Jones', 'Thomas', 'Wilson', 'Green']; for(i=0; i < names.length; i++) { if(names[i] == 'Thomas') nameFound = true; else nameFound = false; }"

		it is a law that all names must be lower case
		the if-block test uses only 1 equal sign
		because Thomas is not spelled correctly
		"nameFound will be true the 3rd time through the loop, but will be overwritten as false for the 4th and 5th times"

5 points

QUESTION 3

"When you declare an array like the following, you are declaring an array literal: var cars = ['focus', 'yaris', 'mini'];"

True

False

QUESTION 4

What's this? x = {'name': 'Ralph', 'occupation': 'actor};

		an object literal
		an anonymous function
		an array literal
		an object constructor function

QUESTION 5

Using magic numbers in your code is a good practice (hint: it is not).

True

False

QUESTION 6

"Given this object, how would you assign the model to a variable named m?

var myCar = {make: 'Plymouth', model: 'Valiant', year: 1968}"

		m = model.myCar;
		m = model.model;
		m = myCar.model;
		myCar.model(m);

QUESTION 7

"What is displayed by the alert box?

var names = new Array(1, 2, 4, 8, 16, 32); var index = 4; alert(names[index]);"

		4
		2
		8
		None of these answers

QUESTION 8

If you intend to create many identical object instances it is best to use ____ to create the objects.

		the direct instance method
		the object literal method
		the XHR instance method
		an object constructor function you write

QUESTION 9

How many times will this loop execute? x = 0; sum = 0; while(x < 4) { sum = sum + 10; }

		an infinite number
		3
		0
		4

QUESTION 10

What will the variable x hold after the loop finishes?

var x = 1; for(var i = 0; i < 5; i++) { x = x + 2; }

		11
		8
		6
		9

QUESTION 11

You cannot assign a JavaScript function to a variable.

True

False

QUESTION 12

Each piece of data contained in an array is called a(n) ____

		identament
		quid
		element
		index

QUESTION 13

This program will produce an error. Why?

var x; for(var i = 0; i < 12; i++) { x = x + 2; }

		the variable i is illegally declared
		the for-loop will never execute
		this program will not produce an error
		there is an attempt to read the value of x before x has been assigned a value

QUESTION 14

What is this?

x = function() { y = 22/7; return y; };

		a prototype
		a line that will produce a error
		an anonymous function
		an object constructor function

QUESTION 15

The ____ method adds one or more elements to the end of an array

		pop()
		push()
		pull()
		unshift()

QUESTION 16

Properties or methods added to the ____ object become available to all instances of this object's children.

		maker
		prototype
		archetype
		penultimate

QUESTION 17

A ____ statement restarts a loop with a new iteration

		continue
		break
		next
		default

QUESTION 18

You use the ____ method of the String class to split a string into an indexed array

		shift(}
		split()
		extract()
		slice()

QUESTION 19

Each repetition of a looping statement is called an iteration.

True

False

QUESTION 20

A(n) ____ statement is used to exit control statements

		quit
		gotoline
		break
		continue