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Exam 13: Programming Web Pages With Javascript

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Question 31

True/False

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The addEventListener method is commonly used to access the element specified by a CSS selector.

A) True
B) False

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Question 32

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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.

A) if
B) compare
C) which
D) for

E) B) and D)
F) All of the above

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Question 33

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Whenever you use a method, you specify its parent object first, followed by a space and then the method name.

If Patrice wants to reference the content of an object and wants her code to work for users if IE8, she will use the __________ property.

You specify a CSS selector in __________ within the parentheses of the querySelector() method to reference an object.

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

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

Referring to the figure above, which of the following is a function name used in the code shown?

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

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. Alicia can create code that responds to an event using a(n) __________.

A function starts with the keyword __________.

The submit event takes place when a user clicks or touches an element.  _________________________

When creating a variable name that contains multiple words, it's common to use __________ case.

Explain the syntax of a statement that uses the assignment operator.

Case-Based Critical Thinking Question Patrice is creating JavaScript code for her website. Her first task is to reference several HTML elements. Patrice can reference HTML elements in JavaScript using the __________ method.

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.

The punctuation for a function is similar to that of a CSS style rule: an opening ____ goes at the beginning.

Developers can write JavaScript that responds to actions, known as __________, which include many actions commonly performed on a web page.

Referring to the figure above, the code in this figure creates a(n) __________.

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