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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Layouts | 20% | - Responsive design
|
| Topic 2: JavaScript Coding | 15% | - Event handling
|
| Topic 3: Graphics and Animation | 25% | - Styling and transformations
|
| Topic 4: Application Lifecycle Management | 20% | - Stages of application lifecycle
|
| Topic 5: Forms | 20% | - Input validation
|
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NEW QUESTION # 47
Which three methods are associated with the HTML5 localStorage API? Choose 3.
Answer: A,C,D
Explanation:
The correct methods are setItem(), removeItem(), and clear(). The HTML5 Web Storage API exposes localStorage as a persistent key-value storage object for the current origin. Data stored in localStorage remains available after page reloads and browser restarts unless it is explicitly removed or cleared. setItem (key, value) stores a value under a named key or updates the value if the key already exists. removeItem(key) deletes one specific key-value pair from storage. clear() removes all key-value pairs from the storage object for that origin. These methods are part of the standard Storage interface used by both localStorage and sessionStorage. write is not a Web Storage method; it is associated with document-writing behavior, not application state storage. cookie is also incorrect because cookies are a separate browser storage mechanism accessed through document.cookie, not a method of localStorage. References/topics: Web Storage API, localStorage, Storage interface, application state, persistent key-value data.
NEW QUESTION # 48
You are drawing on the canvas defined by the white square.
At which x, y coordinate is the upper-left corner of the filled square?
Answer: A
Explanation:
The correct coordinate is 50,50. In an HTML5 canvas, the coordinate system begins at the upper-left corner of the canvas. The x-coordinate increases as you move to the right, and the y-coordinate increases as you move downward. Therefore, 0,0 represents the top-left corner of the entire white canvas area. In the displayed image, the filled black square is not positioned at the top-left edge, top-center, or left-center of the canvas.
Instead, its upper-left corner is offset both horizontally and vertically from the origin. Among the available choices, 50,50 is the only coordinate that moves the square 50 units to the right and 50 units down from the canvas origin. This matches the visual placement of the filled square inside the white canvas. Option A would place the square at the canvas origin. Option B would place it along the left side, halfway down. Option C would place it along the top edge, halfway across. References/topics: HTML5 canvas coordinate system, x/y positioning, drawing rectangles, fillRect(x, y, width, height).
NEW QUESTION # 49
What is the effect of applying the CSS float: right property to an image?
Answer: B
Explanation:
The correct answer is A. Applying float: right to an image removes the image from the normal inline flow and moves it to the right side of its containing block. Inline content, such as text, is then allowed to flow around the floated image. Because the image is anchored on the right, available text space is primarily on the left side of the image, and the text can continue above, beside, and below the floated region according to the surrounding layout. This is the classic use case for floating images within article-style content, where text wraps around a visual element rather than forcing the image to occupy an entire line. Option B is incomplete because it omits the important left-side wrapping behavior. Option C describes the opposite direction: an image floated left with text appearing to its right. Option D also describes float: left, not float: right.
References/topics: CSS float, floated images, text wrapping, normal flow, content positioning.
NEW QUESTION # 50
Which two background graphics will automatically adjust to different screen sizes? Choose 2.
Note: You will receive partial credit for each correct selection.
Answer: B,C
Explanation:
The correct answers are A and C because background-size: contain and background-size: cover are the CSS values that scale a background image in response to the size of the element or viewport. contain scales the background image as large as possible while preserving the entire image inside the background area. This prevents cropping and maintains the image's aspect ratio, although empty space may appear if the container and image proportions differ. cover also preserves the aspect ratio, but scales the image until the entire background area is filled; this may crop part of the image, but it prevents empty space. Both values are commonly used in responsive design because the image automatically recalculates its rendered size as the page or element changes dimensions. initial resets the property to its default behavior and does not intentionally create responsive scaling. auto uses the image's intrinsic dimensions or proportional automatic sizing, so it does not reliably adjust the graphic to different screen sizes in the way required. References
/topics: responsive design, CSS background images, background-size, contain, cover, viewport-based scaling.
NEW QUESTION # 51
Review the markup segment. Which entry will validate successfully according to the required pattern?
Answer: B
Explanation:
The valid entry is A, assuming the OCR-corrupted option represents the intended secret-code format: four letters, a hyphen, two digits, a hyphen, four digits, a hyphen, and four letters. The HTML pattern attribute defines a regular expression that an input value must satisfy during constraint validation. MDN specifies that pattern is used to define a regular expression the input value must match. In the intended pattern, the first group must contain exactly four alphabetic characters, the second group exactly two numeric digits, the third group exactly four numeric digits, and the final group exactly four alphabetic characters. Option A satisfies that structure: kukX is four letters, 04 is two digits, 4938 is four digits, and WJDF is four letters. Option B fails because the final group Uhj6 contains a digit. Option C fails because the first group includes a digit and the digit grouping/hyphen structure is wrong. Option D fails because 23h contains a letter where only digits are allowed. References/topics: HTML5 form validation, pattern attribute, regular-expression validation, text input constraints.
NEW QUESTION # 52
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