Exam 13: Programming Web Pages With Javascript

You can think of the DOM as a hierarchical arrangement of the content of an HTML document into a tree-like structure, which is known as a DOM root . _________________________

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

To call a function in response to a user action, a developer creates a(n) __________.

It's common to store object references as variables.

Referring to the figure above, the word addEventListener is an example of a(n) __________.

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

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

The __________ property refers to the current value of a form field or an object property.

Whenever you use a method, you specify its parent object first, followed by a(n) __________ and then the method name.

Each DOM node is associated with a standard set of information; each piece of information is known as a(n) ________________.

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

JavaScript supports the use of symbols known as __________ to compare or change the values of multiple objects or properties.

The value property refers to the current value of a form field or an object property.

Method names are always followed by quotation marks.

A(n) __________ is a JavaScript instruction that performs an action.

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.

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 change the CSS styles of the image with the mouse pointer over it by changing the element's __________ property with JavaScript to add or remove class values from the element.

Standard ____ for objects include the text content associated with an object, the name of the object, and the name of an associated attribute.

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