Question 11

getElementsByClassName() is not supported by Microsoft until IE9

True

False

2.5 points

Question 12

Adding a new node to the DOM tree requires 2 steps. Which 2?

		createChild()
		createElement()
		appendElement()
		appendChild()

2.5 points

Question 13

If the following code were placed in a style sheet, #hottag would be a CSS _____.

.caution {font-size: 12pt; color: blue;} #hottag {width: 620px;}

		tag selector
		ID selector
		class selector
		class property

2.5 points

Question 14

The form tag's method attribute ____.

		determines the URL the form is submitted to
		determines how form data is submitted
		determines if cookies are encrypted or not
		determines whether the form submission occurs or not

2.5 points

Question 15

You have 6 radio buttons all with the name radColor on a html form named f1. If the user checks the last radio button listed, what is the value of x after this code runs?

for(var i=0; i<6; i++) { if(document.f1.radAge[i].checked == true) { var x = i; } }

		4
		5
		0
		6

3.5 points

Question 16

The ____ method returns the first element in a document with a matching id attribute.

		getElementByTab()
		getElementByName()
		getElementById()
		getElementByIdTag()

2.5 points

Question 17

"If a HTML select element (a drop-down list) displays only a single option, then the item at index 1 is selected by default."

True

False

2.5 points

Question 18

"The options for a HTML select list are ordered like an array, with the first option being at index 0, the second option at index 1, and so on."

True

False

2.5 points

Question 19

The ____ property of the Image object allows JavaScript to dynamically change an image.

		img
		src
		path
		file

2.5 points

Question 20

Which of the following return an array? Choose all that apply.

		getElementById()
		getEementsByTagName()
		getElementsByName()
		getElementsByClassName()

2.5 points

Question 21

"You want a submitted form to be validated before submittion, the form is to be submitted using a submit button, and you use the onsubmit() event handler of the form tag to call the function that validates the HTML form. So _____."

		such an approach would never work in a million years
		the validation function that is called must return either true or false

2.5 points

Question 22

The _____ DOM method allows inserting a new DOM node before an existing DOM element.

		setAttribute()
		insertBefore()
		appendChild()
		addFirst()

2.5 points

Question 23

Which of the following would create a new script element?

		createElement("script").value = x;
		x = createElement("script");
		document.createElement = "script";
		x = document.createElement("script");

3.5 points

Question 24

The form tag's _____ attribute determines the URL of the page on the web server that a form is submitted to.

		accept-charset
		enctype
		method
		action

2.5 points

Question 25

The _____ DOM method puts a created element into the DOM as the last child of the parent node.

		setAttribute()
		insertBefore()
		appendChild()
		append()

2.5 points

Question 26

"If an element has a default action, the event handler for that element runs before the default bahavior occurs."

True

False

2.5 points

Question 27

"When you have a group of radio buttons or checkboxes, you can use the ____ property to determine which element or elements in the group is selected."

		value
		size
		checked
		option

2.5 points

Question 28

You have a form named f1 and a textbox in that form named txtName. What happens when the if-block executes?

if(document.f1.txtName.value != "")

		the test is true if the user has typed something in the textbox.
		the test is false if the user has not typed something in the textbox.

3.5 points

Question 29

Using a select list with an id of "toppings", you can get the selected option value using ____.

		opt = document.getElementbyId("toppings").value;
		"opt = document.getElementbyId("toppings") {value};
		opt = document.getElementbyId("toppings")[value];
		opt = document.getElementbyId("value");

2.5 points

Question 30

____ allows JavaScript to store and retrieve an image from memory rather than download the image each time it is needed from the web server.

		Image refreshing
		Image caching
		Image quick loading
		Double buffering

2.5 points

Question 31

"If a CSS property is called font-weight, what would the corresponding javaScript reference be?"

		fontWeight
		font.weight
		font-Weight
		FontWeight

2.5 points

Question 32

In a style sheet, #sidebar and .caution, as shown below, would be called CSS _____.

		tokens
		selectors
		labels
		markers

Question 33

The _____ DOM method allows removing a node

		removeChild()
		removeItem()
		deleteItem()
		deleteChild()