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| Section | Weight | Objectives |
|---|---|---|
| JavaScript Coding | 15% | - Event handling
|
| Graphics and Animation | 25% | - SVG graphics
|
| Layouts | 20% | - CSS layout and positioning
|
| Forms | 20% | - Form elements and markup
|
| Application Lifecycle Management | 20% | - Stages of application lifecycle
|
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NEW QUESTION # 22
Match each property to its corresponding value for creating the CSS flexible box layout.
Move each property from the list on the left to the correct value on the right.
Note: You will receive partial credit for each correct match.
Answer:
Explanation:
Explanation:
A CSS flexible box layout is created by applying the display property to a container with either flex or inline- flex. This establishes the element as a flex container and causes its child elements to become flex items. The flex-direction property defines the direction of the main axis and accepts row, row-reverse, column, and column-reverse, allowing items to flow horizontally, vertically, or in reverse order. The align-items property controls how flex items are aligned along the cross axis, with values such as flex-start, flex-end, and center.
The direction property controls writing direction and accepts ltr for left-to-right text flow or rtl for right-to-left text flow. Finally, order is applied to individual flex items and accepts an integer value, represented here as
"any," because any numeric order value can be used to rearrange item display order without changing the document source order. References/topics: CSS flexbox, flex containers, flex items, main axis, cross-axis alignment, writing direction, item ordering.
NEW QUESTION # 23
You are creating a form that asks a user to enter their phone number. The form must be submitted only if the phone number field is not empty and matches the format 111-444-7777. Which markup should you use?
Answer: B
Explanation:
The correct markup is option D. The type= " tel " input type is appropriate for telephone-number entry, but it does not automatically validate a specific telephone-number format because phone formats vary internationally. MDN notes that tel inputs allow telephone entry but are not automatically validated to a particular format. Therefore, a pattern attribute is required to enforce the exact structure. The regular expression [0-9]{3}-[0-9] {3}-[0-9]{4} requires three digits, a hyphen, three digits, another hyphen, and four digits, matching the requested format such as 111-444-7777. MDN defines the pattern attribute as a regular expression the input value must match for constraint validation. The required attribute is also necessary because the field must not be empty; MDN states that required indicates the user must specify a value before the form can be submitted. Option A only limits length. Option B lacks hyphen validation and required.
Option C hard-codes only specific digits. References/topics: HTML5 validation, tel, pattern, required, regular expressions.
NEW QUESTION # 24
You have created custom error messages for a form. When a user attempts to submit the form with invalid data, the data must remain in the form and error messages must be displayed. Which Event property or method should you use?
Answer: D
Explanation:
The correct method is preventDefault(). During form submission, the browser's default behavior is to submit the form to the target URL, which may navigate away from the current page or reload it. If the submitted data is invalid and the application must display custom error messages while preserving the entered values, the submit event handler should call event.preventDefault(). This cancels the default submit action, allowing the page to remain in place and the script to display validation feedback next to the relevant form controls.
defaultPrevented is not the method to use; it is only a Boolean property that indicates whether preventDefault() has already been called. cancelable is also only informational; it tells whether the event's default behavior can be canceled. abort is unrelated to form validation and does not provide the required control over form submission. References/topics: HTML5 form validation, custom validation messages, submit event, event cancellation, preserving form data.
NEW QUESTION # 25
Which three methods are associated with the HTML5 localStorage API? Choose 3.
Answer: C,D,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 # 26
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 # 27
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