Question 1

To help a screen reader know which header cell a data cell is associated with:

Accepted Answer

A)   use the th element's data attribute with a value that matches the associated data cell's id value.
B)   use the td element's headers attribute with a value that matches the associated header cell's id value.
C)   apply a header: heading-cell-id CSS rule to the data cell where the heading-cell-id value matches the associated header cell's id value. B

Question 2

Which of the following would be a valid comment in an external CSS file?

Accepted Answer

A) B) this is a CSS comment. C) // this is a CSS comment D) /* this is a CSS comment. */ D

Question 3

If you want absolute positioned boxes to have their text aligned vertically at their bottoms, then for each box you should include not only the top property (with the same value for each box), but also the ______ property (with the same value for each box).

Accepted Answer

height

Question 4

To provide an indication that text that has been deleted, what container element should you surround the text with?

Accepted Answer

A)   del
B)   delete
C)   erase
D)   expunge

Question 5

The kbd element indicates that its enclosed text is:

Accepted Answer

A)   input for a program.
B)   output for a program.
C)   a program-generated error message.
D)   programming code.

Question 6

The following JavaScript variable name exhibits proper coding conventions:
dog_name

Accepted Answer

A) True 
 B)False

Question 7

Normally, within a class definition, you should include a constructor as the class's first member.

Accepted Answer

A) True 
 B)False

Question 8

For the "if, else" form of the if statement, you may include only one if clause, but as many else clauses as you like.

Accepted Answer

A) True 
 B)False

Question 9

You should always surround attribute values with _______, thus forming a string.

Accepted Answer

The answer of You should always surround attribute values with...

Question 10

What is a disadvantage of a list box as compared to a pull-down menu?

Accepted Answer

The answer of What is a disadvantage of a list...

Question 11

Suppose you have a class named Student with a class variable named numOfStudents. How should you access the numOfStudents property?

Accepted Answer

A)   Use numOfStudents by itself.
B)   this.numOfStudents
C)   Student.numOfStudents

Question 12

Which of the following displays a numOfPurchases variable's value in the browser's debugging frame?

Accepted Answer

A) console.log("numOfPurchases = " + numOfPurchases) ; B) debug.display("numOfPurchases = " + numOfPurchases) ; C) numOfPurchases = %numOfPurchases

Question 13

One way to implement responsive images is with resolution switching. Resolution switching is when you provide a list of images for different versions of the same picture where the images have the same aspect ratios, but different sizes.

Accepted Answer

A) True 
 B)False

Question 14

The span element is a generic phrasing element that does not provide any special meaning by itself.

Accepted Answer

A) True 
 B)False

Question 15

The CSS display property's table-cell value can be used for mimicking a th element.

Accepted Answer

A) True 
 B)False

Question 16

The Document Object Model models all of the parts of a web page (elements, attributes, and plain text) as nodes in a node tree.

Accepted Answer

A) True 
 B)False

Question 17

The JavaScript exponentiation operator is ______.

Accepted Answer

The answer of The JavaScript exponentiation operator is ______....

Question 18

In JavaScript, to find the number of elements in an array, use:

Accepted Answer

A)   the length property.
B)   the size property.
C)   the elements method.
D)   It is impossible to find the number of elements in an array.

Question 19

All element objects have an outerHTML property, which stores the element's code, including the element's start and end tags.

Accepted Answer

A) True 
 B)False

Question 20

For HTML's content model categories, the flow category is a superset of several other categories.

Accepted Answer

A) True 
 B)False

Exam 13: Web Development and HTML/CSS

To help a screen reader know which header cell a data cell is associated with:

Which of the following would be a valid comment in an external CSS file?

If you want absolute positioned boxes to have their text aligned vertically at their bottoms, then for each box you should include not only the top property (with the same value for each box), but also the ______ property (with the same value for each box).

To provide an indication that text that has been deleted, what container element should you surround the text with?

The kbd element indicates that its enclosed text is:

The following JavaScript variable name exhibits proper coding conventions: dog_name

Normally, within a class definition, you should include a constructor as the class's first member.

For the "if, else" form of the if statement, you may include only one if clause, but as many else clauses as you like.

You should always surround attribute values with _______, thus forming a string.

What is a disadvantage of a list box as compared to a pull-down menu?

Suppose you have a class named Student with a class variable named numOfStudents. How should you access the numOfStudents property?

Which of the following displays a numOfPurchases variable's value in the browser's debugging frame?

One way to implement responsive images is with resolution switching. Resolution switching is when you provide a list of images for different versions of the same picture where the images have the same aspect ratios, but different sizes.

The span element is a generic phrasing element that does not provide any special meaning by itself.

The CSS display property's table-cell value can be used for mimicking a th element.

The Document Object Model models all of the parts of a web page (elements, attributes, and plain text) as nodes in a node tree.

The JavaScript exponentiation operator is ______.

In JavaScript, to find the number of elements in an array, use:

All element objects have an outerHTML property, which stores the element's code, including the element's start and end tags.

For HTML's content model categories, the flow category is a superset of several other categories.