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| Section | Objectives |
|---|---|
| Topic 1: HTML Fundamentals | - Document structure and semantics
|
| Topic 2: CSS Styling | - Layout and responsive design
|
| Topic 3: Web Application Development Concepts | - Media and APIs
|
| Topic 4: JavaScript Programming | - DOM manipulation
|
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NEW QUESTION # 45
Which JavaScript method is used to draw a circle on a canvas?
Answer: C
Explanation:
The correct method is arc(). In the Canvas 2D API, circles and circular arcs are drawn by creating an arc path on the canvas rendering context. MDN defines CanvasRenderingContext2D.arc() as creating a circular arc centered at (x, y) with a specified radius, start angle, end angle, and drawing direction. To draw a full circle, the common pattern is to call beginPath(), then arc(x, y, radius, 0, 2 * Math.PI), and then use stroke() or fill() to render the path. There is no standard Canvas 2D method named circle(), so option A is invalid. ellipse() can draw ellipses and can mathematically draw a circle if both radii are equal, but the classic and exam-targeted method for drawing a circle is arc(). bezierCurveTo() draws cubic Bezier curves and is used for custom curved paths, not the direct circle primitive. References/topics: Canvas 2D context, arc() method, drawing circles, radians, path rendering.
NEW QUESTION # 46
Review the grid container requirements and mockup on the left. Which markup should you use to define the grid container?
Answer: A
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 # 47
Which three methods are associated with the HTML5 localStorage API? Choose 3.
Answer: A,C,E
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
Which element should you use to rotate an SVG square?
Answer: C
Explanation:
The correct element is animateTransform. In SVG, rotation is not produced by drawing a different shape; it is produced by applying a transformation to an existing graphical element, such as a < rect > representing a square. The < animateTransform > element is specifically designed to animate the transform attribute of a target SVG element, and its supported transformation types include translation, scaling, rotation, and skewing.
Therefore, to rotate a square, the square would normally be defined with a shape element such as < rect > , and an < animateTransform > child or associated animation would specify attributeName= " transform " and type= " rotate " . animateMotion is incorrect because it moves an element along a motion path rather than rotating the element itself. circle is a shape element, not an animation mechanism. path defines arbitrary vector geometry, but it does not by itself animate or rotate another object. References/topics: SVG graphics, SVG transformations, animation elements, transform attribute, rotation animation.
NEW QUESTION # 49
You are creating a form that requires the category to be entered as a two- or three-letter abbreviation. The input is mandatory.
You need to configure the input validation for the form.
Complete the markup by typing into the boxes.
Note: You will receive partial credit for each correct answer.
Answer:
Explanation:
minlength , maxlength , required
Explanation:
First box: minlength
Second box: maxlength
Third box: required
The correct validation attributes are minlength, maxlength, and required. The input must accept a category abbreviation that is either two or three characters long. The minlength= " 2 " attribute enforces the lower boundary by preventing submission when the entered text contains fewer than two characters. The maxlength= " 3 " attribute enforces the upper boundary by preventing the user from entering more than three characters into the field. Since the question states that the input is mandatory, the required attribute must also be included. required is a Boolean validation attribute, so it does not need a value; its presence alone makes the field required before the form can be submitted. Together, these attributes configure basic HTML5 constraint validation directly in markup without requiring JavaScript. The completed input therefore requires a value, rejects values shorter than two characters, and limits the value to no more than three characters.
References/topics: HTML5 form validation, minlength, maxlength, required, text input constraints, mandatory form fields.
NEW QUESTION # 50
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