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| Section | Objectives |
|---|---|
| JavaScript Coding | - JavaScript ES6 Development
|
| Application Lifecycle Management | - Application Development Lifecycle
|
| Graphics and Animation | - Canvas and SVG
|
| Forms | - HTML5 Forms and Validation
|
| Layouts | - Responsive and Flexible Layouts
|
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NEW QUESTION # 33
You are creating the styling for your webpage. Which two CSS attributes produce a scroll bar if your content overflows its element? Choose 2.
Answer: B,C
Explanation:
The correct values are scroll and auto. The CSS overflow property controls what happens when content is too large to fit inside an element's box. MDN describes overflow as setting the desired behavior when content does not fit inside the element's padding box. The value overflow: scroll creates a scroll container and displays scrollbars so overflowing content can be reached, even when the scrollbar may not be strictly needed in some rendering environments. The value overflow: auto also creates scrolling behavior when content overflows, but it is conditional: scrollbars appear only when the content exceeds the available box size. hidden is incorrect because it clips overflowing content and hides the excess rather than exposing it through a scrollbar. visible is also incorrect because it allows overflow to render outside the element box and does not create a scroll container. Therefore, when the question asks which settings produce a scrollbar if content overflows, the precise answers are scroll and auto. References/topics: CSS overflow, scroll containers, overflow clipping, automatic scrollbars, layout flow.
NEW QUESTION # 34
Review the grid container requirements and mockup on the left. Which markup should you use to define the grid container?
Answer: B
Explanation:
The correct segment is D because named grid-region layouts are defined with grid-template-areas. This CSS Grid property specifies named grid areas, establishes the cells in the grid, and assigns names to those cells.
The syntax requires each row of the grid template to be written as a quoted string, with repeated names indicating that the named area spans multiple columns or rows. In the shown layout, heading spans the entire top row, menu occupies the left column across lower rows, content spans the central area, right occupies the right-side area, and contact spans the bottom content region. Options B and C are incorrect because named grid-area strings do not belong in grid-template-rows or grid-template-columns; those properties define track sizing, not named layout regions. Option A defines explicit column and row sizes but does not define the semantic named areas shown in the mockup. References/topics: CSS Grid, grid containers, named grid areas, grid-template-areas, responsive page layout.
NEW QUESTION # 35
Which code segment correctly displays images with 80% transparency and a blue 8px shadow?
Answer: A
Explanation:
The correct segment is D: filter: opacity(20%) drop-shadow(8px 8px blue);. The requirement says the image must have 80% transparency, which means only 20% opacity remains visible. The CSS filter property applies graphical effects to rendered elements, including image effects such as opacity adjustment and drop shadows.
The opacity() filter function is valid inside filter, and values below 100% make the rendered element more transparent. The drop-shadow() function is also a valid CSS filter function and applies a shadow effect to the input image. Option A changes saturation, not transparency. Option B also changes saturation and incorrectly attempts to use box-shadow() as a filter function. Option C uses opacity(80%), which would produce 80% opacity rather than 80% transparency, and it also uses invalid box-shadow() syntax inside filter. References
/topics: CSS filter property, opacity(), drop-shadow(), image effects, transparency.
NEW QUESTION # 36
You are creating a script that reads a JSON menu file and displays the Entree, Price, and Description.
Complete the code by selecting the correct option from each drop-down list.
Note: You will receive partial credit for each correct selection.
Answer:
Explanation:
Explanation:
First drop-down: var xhr = new XMLHttpRequest();
Second drop-down: if(xhr.status===200){
Third drop-down: responseObject = JSON.parse(xhr.responseText);
The script must first create an XMLHttpRequest object, so the correct first selection is var xhr = new XMLHttpRequest();. This object performs the asynchronous request for menu.json. After the request finishes, the onload callback executes. The response should be processed only when the request succeeds, so the correct status check is if(xhr.status===200){; HTTP status 200 means the file was successfully retrieved.
Status codes 403, 404, and 500 represent forbidden access, missing resource, and server error conditions, so they are not appropriate for normal JSON processing. The JSON file is returned as plain text through xhr.
responseText, so it must be converted into a JavaScript object with JSON.parse(xhr.responseText). Once parsed, the code can access responseObject.menu[i].Entree, Price, and Description inside the loop and build the display output. responseXML is incorrect because the source file is JSON, not XML.
NEW QUESTION # 37
You need to create the layout shown, which defines five content areas:
* Logo and page title
* Menu
* Main content area
* Additional content area
* Copyright and contact information
You define the following classes:
Answer: B
Explanation:
The correct answer is D because the layout shown is a named-area CSS Grid layout. The mockup contains five semantic regions: the top header area for the logo and page title, a left-side menu, a central main content area, a right-side additional content area, and a bottom copyright/contact area. In CSS Grid, this type of visual structure is defined with grid-template-areas, where each quoted string represents one grid row and each repeated name represents how far that area spans across columns. In option D, heading spans the full top row, menu occupies the left column across the lower rows, content fills the main center region, right fills the additional content region, and contact spans the bottom row to the right of the menu. Option A only defines row and column sizes and does not name the five content areas. Options B and C are invalid for this purpose because named layout strings do not belong in grid-template-rows or grid-template-columns. References
/topics: CSS Grid, grid containers, display: grid, named grid areas, grid-template-areas, page layout construction.
NEW QUESTION # 38
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