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Exam 13: Programming Web Pages With Javascript

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Question 31

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Writing code to look up and change data associated with parts of HTML documents requires a standardized way of referring to the parts of a Web page; this system is known as the Document _________ Model.

A) Element
B) Object
C) Property
D) Method

E) A) and D)
F) A) and C)

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Question 32

Multiple Choice

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A common method to change the CSS styles of an element in response to a user's actions is to add or remove __________ values from the element in response to events.

A) ID
B) form
C) class
D) CSS

E) A) and B)
F) B) and D)

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Question 33

Multiple Choice

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To assign a new property value, you use the assignment operator, which is simply a(n) __________.

The first line of a function begins with the word function, followed by its name and a pair of ____.

You can access any HTML element by specifying a CSS selector using the querySelector() method._________________________

JavaScript allows you to create __________, which are values that are stored and that you can access with a name that you specify.

The script element is added to an HTML document to reference an external JavaScript file._________________________

Using comparison operators, you can create a(n) __________ statement, in which two values are compared and if the result is true, one or more statements are executed.

-Referring to the figure above, what is the role of the three lines of code labeled with the number 1?

Matching Match each commonly used JavaScript property with the appropriate description. -the value of an element's class attribute

-Referring to the figure above, what is the role of the line of code labeled with the number 2?

​ ​ -Referring to the figure above, what is the role of the line of code labeled with the number 1?

Method names are always followed by quotation marks.

The DOM defines ____, which are actions that are associated with an object.

In the DOM, each HTML element is considered a(n) property._________________________

The ____ event occurs when a user clicks or touches an element.

Case-Based Critical Thinking Question Alicia wants to increase the sizes of images on her website in response to users moving the mouse pointer over them. To add this feature, she plans to use JavaScript. -In Alicia's JavaScript code, she can refer to a user moving the mouse pointer over an element with the __________ event.

Name 3 ways that the punctuation for a function is similar to that of a CSS style rule.

The ____ event occurs when a user moves the mouse pointer over an element or touches an element.

You can access any HTML element by specifying a CSS selector using the ____ method.