QUESTION 1

1. What is wrong with this test? if(x = 9)

   		the test for equality requires 2 equal signs
   		nothing is wrong
   		the test should be enclosed in square brackets, not parentheses.

2 points

QUESTION 2

1. To return a value from a function you use a return statement.

   True

   False

2 points

QUESTION 3

1. The onclick() event handler can be assigned ______

   		to pretty much any HTML element on the page.
   		only to html form elements
   		only to buttons

2 points

QUESTION 4

1. "To make this condition true, if( x == 6 && y < 0)"

   		x must equal 6 and also y must be negative at the same time
   		y must equal 8, x can be anything
   		x must equal 6, y can be anything
   		y must equal 0, x can be anything

2 points

QUESTION 5

1. To open up a pop-up dialog box using JavaScript you would use the _____ method.

   		alert()
   		message()
   		dialog()
   		msg()

2 points

QUESTION 6

1. "This condition, if(x = 20)"

   		will always evaluate to true
   		will always evaluate to false
   		how it evaluates depends on what x was assigned before the test.

2 points

QUESTION 7

1. What does array x look like after these lines execute?

   var x = [2, 4, 6, 8, 10]; x[2] = 19;

   		"x = [2, 4, 19, 8, 10]"
   		"x = [2, 4, 6, 19, 10]"
   		x = [19]
   		"x = [2, 19, 6, 8, 10]"

2 points

QUESTION 8

1. What is x after this code runs?

   str = "Red Betelgeuse"; x = str.substr(4, 5);

   		"Betel"
   		"etelg"
   		20
   		" Bete"

2 points

QUESTION 9

1. In this function declaration,

   function add(x, y) { alert(x+y); }

   		x and y are called parameters
   		x and y are called arguments
   		x and y are called addends

2 points

QUESTION 10

1. Some advantages of placing your JavaScript code in a separate file are _____. Choose 2 answers

   		the code is easier to maintain.
   		an update to the code is immediately available to all pages that use the file.
   		any errors in the code will be ignored
   		the user can easily see the code

2 points

QUESTION 11

1. You have this code. Pick the best answer from below.

   function addNumbers() { var n1 = document.form1.txt1.value; var n2 = document.form1.txt2.value; var sum = n1 + n2; document.form1.txt3.value = sum; }

   		either mis-naming the form or a textbox in the form could cause an error
   		you would get an error only if you had no textbox in the form named txt1 or txt2
   		there is no way anything could possibly go wrong.
   		you would get an error only if your html form was not named form1

2 points

QUESTION 12

1. The _____ is an international organization that develops open standards to promote the long-term development of the World Wide Web.

   		World Wide Web Consortium (W3C)
   		Modern Schema Division (MSD)
   		Data Modification vehicle (DMV)
   		Distance Article Readers (DAR)

2 points

QUESTION 13

1. The Boolean value false is associated with the number 0.

   True

   False

2 points

QUESTION 14

1. A global variable lives in memory ____.

   		as long as the web page is open.
   		for about a week
   		none of the other answers are true
   		for only as long as a function executes

2 points

QUESTION 15

1. parseFloat() and parseInt() are used to _____

   		force the conversion of a string to a number
   		force the conversion of a number to a string

2 points