Question 1 2 / 2 pts A reference to an external Javascript file is normally placed in the ____ section of an HTML document, according to good design principles.

  bodyCorrect!

  head

  title

  paragraph Question 2 3 / 3 pts Before you use a variable in a JavaScript program, you should ____ it.

  compile

  concatenateCorrect!

  declare

  nullify Question 3 3 / 3 pts In naming a variable, the first character must be either a letter or a(n) ____. Correct!

  underscore

  pound sign

  number sign

  ampersand Question 4 3 / 3 pts The number can be converted to a text string by enclosing it within ____.

  slashes / ... /

  single quotation marks ' ... '

  double quotation marks " ... "Correct!

  either b or c Question 5 3 / 3 pts JavaScript ____ most occurrences of white space.

  repeatsCorrect!

  ignores

  comments

  executes Question 6 0 / 3 pts The ____ symbol can be used to combine text strings. Correct Answer

  +

  *You Answered

  ++

  ~ Question 7 3 / 3 pts What does the JavaScript command document.writeln("Hello" + "World"); print?

  Hello WorldCorrect!

  HelloWorld

  World Hello

  WorldHello Question 8 3 / 3 pts

When calling a JavaScript function, you provide in your call ____.

  the function name

  the parametersCorrect!

  both a and b

  none of the above Question 9 3 / 3 pts A function may require ____, which are values used by the function.

  termsCorrect!

  parameters

  ids

  names Question 10 3 / 3 pts To add code that runs when content of an input field has been modified, you use the ____ event handler.

  onloadCorrect!

  onchange

  onfocus

  onblur Question 11 3 / 3 pts The ____ event handler runs when the browser has completed unloading the document.

  onload

  onremove

  onerrorCorrect!

  onunload Question 12 3 / 3 pts January is indicated by the number ____ in JavaScript. Correct!

  0

  1

  4

  10 Question 13 3 / 3 pts The ____ method extracts the year value from the date variable.

  extractYear()Correct!

  getFullYear()

  Year()

  thisYear() Question 14 0 / 3 pts What does the following generic function called foo return?function foo(){var y = 3;var x = 4;y = ++x;x += y;

return x;} You Answered

  7

  4Correct Answer

  9

  5 Question 15 0 / 3 pts Which of the following calculates the difference in terms of days? You Answered

  days = (newYear - currentDate)/(1000*60*60);

  days = (newYear - currentDate)/(1000*60*24);

  days = (newYear - currentDate);Correct Answer

  days = (newYear - currentDate)/(1000*60*60*24); Question 16 3 / 3 pts Which function makes sure that a number is not greater than the largest numeric value supported by JavaScript?

  isNaN(value)

  isNull(value)

  isZero(value)Correct!

  isFinite(value) Question 17 3 / 3 pts ____ converts a text string, myString, to a number with decimal places.

  parseText

  parseInt

  parseNumberCorrect!

  parseFloat Question 18 3 / 3 pts The ____ logical operator returns true when both expressions are true.

 

||

  |

  ==Correct!

  && Question 19 3 / 3 pts Which of the following assigns y a value of 15 if x is greater than 1 and less than 3 and 20 otherwise? Correct!

  y = (x > 1) && (x < 3) ? 15 : 20;

  y = (x > 1) || (x < 3) ? 15 : 20;

  y = (x > 1) && (x < 3) ? 20 : 15;

  y = (x > 1) || (x < 3) ? 20 : 15; Question 20 3 / 3 pts The general format of the command to specify that a task occur once, after some time, is ____.

  setTime("command", interval);

  setDelay("command", interval)Correct!

  setTimeout("command", delay);

  setInterval("command", delay); Question 21 3 / 3 pts To clear all commands set to repeat every n seconds, you use ____.

  clearTimeout()

  clearRepeat()

  clearDelay()Correct!

  clearInterval()

 Question 22 3 / 3 pts The ____ property of an array indicates the total number of elements in an array.

  counter

  index

  sizeCorrect!

  length Question 23 3 / 3 pts The size of an array is always ____ the highest index number.

  equal toCorrect!

  one more than

  one less than

  none of the above Question 24 0 / 3 pts ____ create(s) an array that could be used to hold five student names. You Answered

  var students = new Array(5);

  var students = new Array("John", "Julie", "Jacob", "Janice", "Jackson");

  var students = ["Alice", "Max", "Tom", "Stan", "Susan"];Correct Answer

  all the choices are correct Question 25 3 / 3 pts The ____ method removes and returns the first element from the beginning of an array.

  split()

  unshift()

Correct!

  shift()

  slice() Question 26 3 / 3 pts To sort elements of an array numerically, you use the ____ method.

  arrange()

  order()Correct!

  sort()

  list() Question 27 3 / 3 pts Which of the following displays the contents of array grades separated by ", "?

  grades.push(", ");

  grades.reverse();Correct!

  grades.join(", ");

  grades.toString(","); Question 28 3 / 3 pts The process of executing all of the contained statements within a loop is called a(n) ____ of the loop. Correct!

  iteration

  implementation

  execution

  processing Question 29 0 / 3 pts Which of the following can be used as a start expression in a For loop?

Correct Answer

  i = 10;

  i++;You Answered

  i <= j;

  --j; Question 30 3 / 3 pts Given a For loop counter of "for (i = 0; i <= 360; i += 60)", the counter values are ____.

  60, 120, 180, 240, 300, and 360Correct!

  0, 60, 120, 180, 240, 300, and 360

  0, 60, 120, 180, 240, and 300

  0, 120, 240, and 360 Question 31 3 / 3 pts Consider the following code: var i = 0;do {document.write("<td>"+i+"</td>");i = prompt("Enter a number");}while (i < 4);The Do/While loop will execute at least ____ times.

  0Correct!

  1

  2

  3 Question 32 0 / 3 pts Which of the following loops print the numbers 1-10?

 

for (i = 1; i <= 10; i++){ document.write(i); }

  i = 0;while (i < 10){ document.write(i+1); i++;}You Answered

  i = 0;do {j = i + 1;document.write(j);i++;} while (j <= 10);Correct Answer

  all of the above Question 33 0 / 3 pts The value returned by the function someValue (shown below) represents the ____ value found among all the values in the array.function someValue(arr) {var someVal = arr[0];for (var i = 0; i < arr.length; i++) {if (arr[i] > someVal) someVal=arr[i];}return someVal;} Correct Answer

  largest

  middleYou Answered

  smallest

  first Question 34 3 / 3 pts A common programming error is to use ____ instead of ____ to test if two items are equal. Correct!

  =, ==

  ==, =

  ++, --

  %, * Question 35 3 / 3 pts Consider the following code:for (var i = 0; i< names.length; i++) {if (names[i] == "Valdez") {document.write("Valdez is in the list");}}What should be added to cause the loop to stop when Valdez is found?

  halt;Correct!

  break;

  stop;

  continue; Question 36 0 / 3 pts Consider the following code:num = 1;for(i = 1; i < 4; i++) {num += 2;}What will the value of num be after the loop has executed?

  1You Answered

  3

  5Correct Answer

  7 Question 37 3 / 3 pts A series of if statements that are inside of each other are also called a ____ statements.

 

n-alternative ifCorrect!

  nested if

  case

  loop Question 38 3 / 3 pts Which of the following if statements will write hours to the screen in a 12 hour format (assuming hours starts as a variable value between 0 and 23)?

  if(hours==0) {document.write(12); }elseif(hours>13) {document.write(hours-12);}else {document.write(hours); }

  if(hours==0) {document.write(12); }elseif(hours>=12) {document.write(hours-12);}else {document.write(hours); }Correct!

  if(hours==0) {document.write(12); }elseif(hours>=13) {document.write(hours-12);}else {document.write(hours); }

  if(hours==0) {document.write(12);}else if(hours>=0) {document.write(hours);}else if(hours > 12) {document.write(hours-12);} Question 39 3 / 3 pts The topmost object in the object hierarchy is the ____ object, which represents the browser window.

  document

  browser

Correct!

  window

  location Question 40 3 / 3 pts To have a date field display the text string "6-23-2006" you would run the command ____.

  form1.date.when = "6-23-2006";Correct!

  document.form1.date.value = "6-23-2006";

  form1.date.value = "6-23-2006";

  document.form1.date = "6-23-2006"; Question 41 3 / 3 pts A return value of ____ causes a form to cancel submission. Correct!

  false

  halt

  true

  continue Question 42 3 / 3 pts In JavaScript, you can use the ____ to display an information message to the user.

  dialog window

  info boxCorrect!

  alert box

  user box Question 43 3 / 3 pts

If a text input field is required on a form, you should validate it by making sure the number of characters in the field is ____. Correct!

  > 0

  < 0

  > null

  none of the above Question 44 3 / 3 pts Given the example text= "GPS-ware Products", the method text.slice(4,8);// returns ____.

  9

  ProdCorrect!

  ware

  GPS Question 45 3 / 3 pts The ____ method of the String class extracts a part of a string and returns the extracted part as a new string.

  getChars()

  charAt()Correct!

  slice()

  stringPart() Question 46 3 / 3 pts The ____ method converts a text string to lowercase.

  toMinCase()

  lowerCase()Correct!

  toLowerCase()

  toUpperCase() Question 47 3 / 3 pts Given the following form:<form name="myForm">Submit your URL here: <input type = "text" name="URL"><input type="submit"></form>Which of the following is not a valid way to get the data entered in the textbox and store it in a varible?

  var data =myForm.URL.value;

  var data =myForm.elements[0].value;Correct!

  var data = forms[0].url.value;

  All of the above are correct Question 48 0 / 3 pts The expression /\w\w/ matches ____.

  $xYou Answered

  A@

  *Correct Answer

  go Question 49 3 / 3 pts ____ matches 1 or more consecutive white space characters.

  /\s?/Correct!

  /\s+/

  /\s&/

  /\s*/ Question 50 3 / 3 pts To require a string to end with a specific regular expression pattern, you begin the regular expression pattern with the ____ metacharacter (or special class). Correct!

  $

  ^

  |

  & Question 51 3 / 3 pts Text strings can be appended to any URL by adding the ____ character to the Web address followed by the text string.

  ^

  &

  *Correct!

  ? Question 52 3 / 3 pts To make it possible to store state information beyond the current Web page session, Netscape created ____. Correct!

  cookies

  scripts

  hidden form fields

  query strings Question 53 3 / 3 pts To view the name/value pair within a cookie, retrieve the content of the ____ object.

  document.pathCorrect!

  document.cookie

  cookie.path

  cookie.document Question 54 0 / 3 pts Individual cookies in the document.cookie object are separated by ____. You Answered

  a semicolon

  a spaceCorrect Answer

  a semicolon and a space

  none of the above Question 55 3 / 3 pts To replace a cookie's value, write a cookie with the same ____ but a new value. Correct!

  name

  location

  expiration date

  timing delay Question 56 3 / 3 pts ____ cookies remain available only for the current browser session.

  PersistentCorrect!

  Temporary

  Local

  Global Question 57 3 / 3 pts The ____ attribute of the cookie property determines how long a cookie can remain on a client system before it is deleted.

  pathCorrect!

  expires

  secure

  domain Question 58 3 / 3 pts The ____ attribute determines the availability of a cookie to other Web pages on a server.

  domain

  secureCorrect!

  path

  expires Question 59 0 / 3 pts Which statement is true? You Answered

  To use jQuery, you do not have to do anything. Most browsers (Internet Explorer, Chrome, Firefox and Opera) have the jQuery library built in the browser

  Th use jQuery the user needs to add a jQuery plugin to their browser

  To use jQuery, you must buy the jQuery library at www.jquery.comCorrect Answer

  To use jQuery, you can refer to a hosted jQuery library at Google Question 60 3 / 3 pts

Which of the following is not a standard part of the jQuery UI?

  accordion

  dialogCorrect!

  cycle

  datepicker Question 61 3 / 3 pts With jQuery, look at the following selector: $("p.links"). What does it select?

  The first p element with class="links"

  All p elements with id="links"Correct!

  All p elements with class="links"

  The first p element with id="links" Question 62 3 / 3 pts Which jQuery method is used to display selected elements?

  display(block)Correct!

  show()

  visible()

  visible(true) Question 63 3 / 3 pts Which jQuery method is used to set add one or more css classes to selected elements?

  css()

  addCSS()

  addStyle()Correct!

  addClass() Question 64 3 / 3 pts Which jQuery method is used to perform an asynchronous HTTP request?

  ajaxRequest()

  ajaxAsync()Correct!

  ajax()

  ajaxSetup() Question 65 3 / 3 pts An important step in preparing to publish a Web site is to obtain a(n) __________ name. Correct!

  domain

  index

  AVI

  ICANN Question 66 0 / 3 pts In an FTP application, a(n) __________ name specifies a particular connection to a server. Correct Answer

  site

  streamingYou Answered

  host

  encoded Question 67 3 / 3 pts Which of the following is commony done as part of website compatibility testing?

  Test with a variety of users

  Verify that all of your images have alt attributesCorrect!

  Use different devices when testing your site

  Assess the number of simultaneous users the website can support

Quiz Score: 164 out of 200