Html/java Chap 4

Front 1

(28) __________ is generally embedded in webpages making them dynamic.

Back 1

JavaScript

Front 2

(28) What term refers to the embedding of JavaScript in a webpage?

Back 2

Client-side scripting

Front 3

(28) What did client-side scripting do that made Internet browsing faster?

Back 3

Took a huge load off of web servers, reducing the amount of network traffic

Front 4

(28) What type of language is JavaScript?

Back 4

A scripting language

Front 5

(28) What does JavaScript need for its language to work?

Back 5

An interpreter

Front 6

(28) What is the most common interpreter for JavaScript?

Back 6

A web browser

Front 7

(28) T/F? JavaScript behaves the same way regardless of the browser used (Firefox, Internet Explorer, Google Chrome, etc.).

Back 7

False. JavaScript is interpreted by the web browser. The browser may view the code differently from browser to browser.

Front 8

(28) Where would JavaScript typically be found on a webpage?

Back 8

In the head or body elements of an HTML document

Front 9

(28) What element in an HTML document represents JavaScript?

Back 9

< script >

Front 10

(28) What JavaScript elements would be stored in HTML head elements?

Back 10

Functions and event handlers

Front 11

(28) T/F? JavaScript is executed in any order that works for the interpreting browser.

Back 11

False. JavaScript elements stored in the head element are executed before elements stored in the body element.

Front 12

(28) What is the JavaScript command used to send text to the screen?

Back 12

document.write

Front 13

(29) What programming language has a high influence on JavaScript syntax?

Back 13

C programming

Front 14

(29) What type of programming language is JavaScript?

Back 14

Object-oriented language

Front 15

(29) What are object attributes and behaviors referred to in JavaScript programming?

Back 15

Properties and methods

Front 16

(29) How are object properties and methods referenced in JavaScript?

Back 16

The object name, a dot, followed by the name of the property or method (example: document.write)

Front 17

(29) What JavaScript object is the global object that refers to the webpage currently being displayed by the web browser?

Back 17

Document object

Front 18

(29) Which JavaScript document object property returns all name/value pairs of cookies in the document?

Back 18

cookie

Front 19

(29) Which JavaScript document object property returns the mode used by the browser to render the document?

Back 19

document Mode

Front 20

(29) Which JavaScript document object property returns the domain name of the server that loaded the document?

Back 20

domain

Front 21

(29) Which JavaScript document object property returns the date and time the document was last modified?

Back 21

lastModified

Front 22

(29) Which JavaScript document object property returns the (loading) status of the document?

Back 22

readyState

Front 23

(29) Which JavaScript document object property returns the URL of the document that loaded the current document?

Back 23

referrer

Front 24

(29) Which JavaScript document object property sets or returns the title of the document?

Back 24

title

Front 25

(29) Which JavaScript document object property returns the full URL of the document?

Back 25

URL

Front 26

(29) Which JavaScript document object property returns an array of all the anchors in a document?

Back 26

anchors []

Front 27

(29) Which JavaScript document object property returns an array of all the forms in the document?

Back 27

forms []

Front 28

(29) Which JavaScript document object property returns an array of all the images in the document?

Back 28

images []

Front 29

(29) Which JavaScript document object property returns an array of all the links in a document?

Back 29

links []

Front 30

(30) Which JavaScript document object method closes the output stream previously opened with document.open ()?

Back 30

close ()

Front 31

(30) Which JavaScript document object method accesses the first element with the specified id?

Back 31

getElementById ()

Front 32

(30) Which JavaScript document object method accesses all elements with a specified name?

Back 32

getElementsByName ()

Front 33

(30) Which JavaScript document object method accesses all elements with a specified tagname?

Back 33

getElementsByTagName ()

Front 34

(30) Which JavaScript document object method opens in output stream to collect the output from document.write () or document.writeIn ()?

Back 34

open ()

Front 35

(30) Which JavaScript document object method writes HTML expressions or JavaScript code to the document?

Back 35

write ()

Front 36

(30) Which JavaScript document object method operates the same as write () but adds a newline character after each statement?

Back 36

writeIn ()

Front 37

(30) What JavaScript object refers to the web browser itself?

Back 37

Navigator object

Front 38

(30) Are all JavaScript navigator object’s properties and methods identical regardless of the web browser used?

Back 38

No. they vary by browser (example: FireFox’s navigator object has a plugin property which is not available in Internet Explorer)

Front 39

(30) What JavaScript navigator object property returns the code name of the browser?

Back 39

appCodeName

Front 40

(30) What JavaScript navigator object property returns the name of the browser?

Back 40

appName

Front 41

(30) What JavaScript navigator object property returns the version information of the browser?

Back 41

appVersion

Front 42

(30) What JavaScript navigator object property determines whether cookies are enabled in the browser?

Back 42

cookieEnabled

Front 43

(30) What JavaScript navigator object property returns for which platform the browser is compiled?

Back 43

platform

Front 44

(30) What JavaScript navigator object property returns the user-agent header sent by the browser to the server?

Back 44

userAgent

Front 45

(30) Which JavaScript navigator object method specifies whether or not the browser has Java enabled?

Back 45

javaEnabled ()

Front 46

(30) Which JavaScript navigator object method specifies whether or not the browser has data tainting enabled?

Back 46

taintEnabled ()

Front 47

(33) When declaring variables in JavaScript, how are the type of variables identified?

Back 47

They aren’t. Variables in JavaScript are loosely typed.

Front 48

(33) What would the output be if a variable (x) had the value of x and was added to the variable string x += “miles to the nearest exit”;?

Back 48

It would have the value “10 miles to the nearest exit”

Front 49

(33) Are variable names case sensitive in JavaScript?

Back 49

Yes

Front 50

(33) What is a block of code meant to perform a specific task when needed?

Back 50

Function

Front 51

(34) What are functions that react to specific events such as mouse-overs and mouse-clicks?

Back 51

Event handlers

Front 52

(34) Which JavaScript event handler occurs when an element looses focus?

Back 52

onblur

Front 53

(34) Which JavaScript event handler occurs when the content of a field changes?

Back 53

onchange

Front 54

(34) Which JavaScript event handler occurs when the mouse clicks on an object?

Back 54

onclick

Front 55

(34) Which JavaScript event handler occurs when the mouse double-clicks on an object?

Back 55

ondblclick

Front 56

(34) Which JavaScript event handler occurs when an error occurs when loading a document or an image?

Back 56

onerror

Front 57

(34) Which JavaScript event handler occurs when an element gets focus?

Back 57

onfocus

Front 58

(34) Which JavaScript event handler occurs when a keyboard key is pressed?

Back 58

onkeydown

Front 59

(34) Which JavaScript event handler occurs when a keyboard is pressed or held down?

Back 59

onkeypress

Front 60

(34) Which JavaScript event handler occurs when a keyboard key is released?

Back 60

onkeyup

Front 61

(34) Which JavaScript event handler occurs when a page or image is finished loading?

Back 61

onload

Front 62

(34) Which JavaScript event handler occurs when a mouse button is pressed?

Back 62

onmousedown

Front 63

(34) Which JavaScript event handler occurs when the mouse is moved?

Back 63

onmousemove

Front 64

(34) Which JavaScript event handler occurs when the mouse is moved off an element?

Back 64

onmouseout

Front 65

(34) Which JavaScript event handler occurs when the mouse is moved over an element?

Back 65

onmouseover

Front 66

(34) Which JavaScript event handler occurs when a mouse button is released?

Back 66

onmouseup

Front 67

(34) Which JavaScript event handler occurs when a window or frame is resized?

Back 67

onresize

Front 68

(34) Which JavaScript event handler occurs when text is selected?

Back 68

onselect

Front 69

(34) Which JavaScript event handler occurs when the user exits the page?

Back 69

onunload

Front 70

(35) What are the two JavaScript variable scoping rules?

Back 70

Global and local

Front 71

(35) Which JavaScript variable scoping rule refers to variables that can be used and modified by any script on the webpage?

Back 71

Global variables

Front 72

(35) Which JavaScript variable scoping rule refers to variables that can be used only in the function they are declared in?

Back 72

Local variables

Front 73

(40) What is an enumerated list of variables in JavaScript?

Back 73

An array

Front 74

(40) What are two ways to declare an array in JavaScript?

Back 74

1. var varName = new Array(var1, var2, var3, var4, var5);<br/>2. var varName = [var1, var2, var3, var4, var5];

Front 75

(40) What are the values contained in an array called?

Back 75

Elements

Front 76

(40) What term refers to the slot numbers of array elements?

Back 76

Indexes

Front 77

(40) What is the first index number in JavaScript?

Back 77

Zero (0)

Front 78

(40) How is the first element of an array printed to the screen in JavaScript?

Back 78

document.write(varName[0] + “< br/ >”);

Front 79

(40) Do elements of a JavaScript array have to contain the same data type?

Back 79

No. It can be a mix of strings, integers, floats, and other data types

Front 80

(40) T/F? JavaScript arrays are objects?

Back 80

TRUE

Front 81

(40) Which JavaScript array object property sets or returns the number of elements in an array?

Back 81

Length

Front 82

(41) Which JavaScript array object method joins multiple arrays?

Back 82

concat()

Front 83

(41) Which JavaScript array object method joins all the Array elements together into a string?

Back 83

join()

Front 84

(41) Which JavaScript array object method searches the Array for specific elements?

Back 84

indexOf()

Front 85

(41) Which JavaScript array object method returns the last item in the Array and removes it from the Array?

Back 85

pop()

Front 86

(41) Which JavaScript array object method adds the item to the end of the Array?

Back 86

push()

Front 87

(41) Which JavaScript array object method reverses the array so the last item becomes the first and vice-versa?

Back 87

reverse()

Front 88

(41) Which JavaScript array object method sorts the elements of an array?

Back 88

sort()

Front 89

(41) Which JavaScript array object method returns the first item in the Array and removes it from the array?

Back 89

shift()

Front 90

(41) Which JavaScript array object method inserts the item(s) to the beginning of the array?

Back 90

unshift()

Front 91

(41) Which JavaScript array object method returns a new array from the specified index and length?

Back 91

slice()

Front 92

(41) Which JavaScript array object method returns the array as a string?

Back 92

toString()

Front 93

(44) What programming term refers to variables that contain a collection of printable characters?

Back 93

Strings

Front 94

(45) Which JavaScript string object property returns the length of a string?

Back 94

length

Front 95

(45) Which JavaScript string object method joins two or more strings, and returns a copy of the joined strings?

Back 95

concat()

Front 96

(45) Which JavaScript string object method converts a string to lowercase letters?

Back 96

toLowerCase()

Front 97

(45) Which JavaScript string object method converts a string to uppercase letters?

Back 97

toUpperCase()

Front 98

(46) T/F? JavaScript string methods can produce an array and JavaScript arrays can produce a string.

Back 98

TRUE

Front 99

(46) Which JavaScript string object method will, by default, break a string up based on the current white space in the string into an array where each element is a ‘word’ from the string?

Back 99

split()