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| Section | Weight | Objectives |
|---|---|---|
| Forms | 20% | - Input validation
|
| JavaScript Coding | 15% | - APIs and state management
|
| Layouts | 20% | - CSS layout and positioning
|
| Application Lifecycle Management | 20% | - Testing and debugging
|
| Graphics and Animation | 25% | - Styling and transformations
|
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For your convenience, Actual4Dumps has prepared HTML5 Application Development exam study material based on a real exam syllabus to help candidates go through their exams. Candidates who are preparing for the INF-306 Exam suffer greatly in their search for preparation material. You would not need anything else if you prepare for the exam with our INF-306 Exam Questions.
NEW QUESTION # 20
The following form is missing validation attributes:
< form >
< div class= " container " >
< h1 > Register Here < /h1 >
< p > Please fill in the details to create an account with us. < /p >
< hr >
< label for= " ? " > < b > Enter Email < /b > < /label >
< input type= " ? " placeholder= " Enter Email " name= " ? " placeholder= " username@domain.com " >
< label for= " ? " > < b > Password < /b > < /label >
< input type= " ? " placeholder= " Enter Password " name= " ? " >
< label for= " ? " > < b > Confirm Password < /b > < /label >
< input type= " ? " placeholder= " Confirm Password " name= " ? " >
< label for= " phone " > < b > Phone < /b > < /label >
< input type= " tel " id= " phone " name= " phone " placeholder= " 123-45-678 " >
< hr >
< p > By creating an account you agree to our < a href= " # " > Terms & Privacy < /a > . < /p >
< button type= " submit " class= " registerbtn " > < strong > Register < /strong > < /button >
< /div >
< /form >
You need to update the form to enforce the following requirements for visitors:
* All fields must be completed with valid information.
* The users should not be allowed to type passwords longer than 8 characters.
* Passwords must use only numbers and letters.
* Phone numbers and email addresses must follow the configuration of the placeholder text.
* The browser must display an error message that makes it clear what type of input change is needed.
Review the markup on the left.
Complete the sentences 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: four
Second drop-down: maxlength
Third drop-down: email, password, and phone
The form contains four user-entry input elements: email, password, confirm password, and phone. Since the requirements state that all fields must be completed, the required attribute must be applied to all four inputs.
The password field must prevent entries longer than eight characters, so the correct length-control attribute is maxlength, not max; max applies to numeric/date-style value ranges, while maxlength limits character count in text-style inputs. The phone field also benefits from maxlength because its placeholder format has a fixed visible structure. Finally, completed pattern attributes are needed for email, password, and phone because each has a required format rule: the email must match the placeholder-style address format, the password must use only letters and numbers, and the phone number must follow the placeholder format such as 123-45-
678. The title attribute should accompany these patterns to produce meaningful browser validation messages.
NEW QUESTION # 21
You need to use CSS to create the layout shown:
Review the layout shown on the left.
Complete the markup by selecting the correct option from each drop-down list.
Note: You will receive partial credit for each correct selection.
Answer:
Explanation:
Explanation:
First blank: display: grid;
Second blank: grid-template-columns: auto auto auto auto;
Third blank: grid-gap: 10px;
The layout shown is a CSS Grid layout with eight items arranged into four equal-width columns and two rows. The first required declaration is display: grid;, which turns the .grid-container element into a grid container. The second declaration is grid-template-columns: auto auto auto auto;, which defines four columns, matching the four visible boxes in each row: Mickey, Minnie, Luna, and George on the first row, then Bilbo, Bella, Madeline, and Groucho on the second row. The third declaration is grid-gap: 10px;, which creates spacing between the grid cells, matching the visible blue gaps around each item. The background-color:
#336699; creates the blue container background, while padding: 10px; adds space around the outer edge of the grid. The child rule .grid-container > div styles each grid item with a light background, centered text, padding, and larger font size.
NEW QUESTION # 22
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 # 23
You want to position a specific element so that it always directly follows the previous element, which is positioned by default, regardless of the viewport characteristics. Which positioning method should you use?
Answer: A
Explanation:
The correct positioning method is static. In CSS, position: static is the default positioning behavior for elements. A statically positioned element remains in the normal document flow, meaning it is laid out according to the order of the markup and directly follows preceding elements unless another layout rule changes that flow. MDN defines static positioning as placing the element according to the normal flow of the document, with top, right, bottom, left, and z-index having no effect. This matches the requirement that the element always directly follows the previous default-positioned element and does not depend on viewport characteristics. absolute removes the element from normal flow and positions it relative to a containing block.
fixed also removes it from normal flow and positions it relative to the viewport. sticky starts in normal flow but changes behavior relative to a scrolling ancestor when a threshold is crossed. References/topics: CSS positioning, normal document flow, static positioning, viewport-independent layout.
NEW QUESTION # 24
You need to implement media queries for the responsive layout of a new website.
Low-resolution wireframes for the desktop, tablet, and mobile layouts are shown.
Answer:
Explanation:
Explanation:
Responsive layouts use CSS media queries to apply different style rules according to the viewport width or device characteristics. In this scenario, the three wireframes represent desktop, tablet, and mobile breakpoints.
The desktop layout should use @media only screen and (min-width: 1025px) because desktop screens are the widest target group and begin above the tablet maximum width. The tablet layout should use @media only screen and (min-width: 481px) and (max-width: 1024px) because it covers the middle range between mobile and desktop. The mobile layout should use @media only screen and (min-width: 285px) and (max-width:
480px) because it targets the smallest viewport range shown in the available choices. The option @media only screen and (max-width: 1025px) and (min-width: 1920px) is logically invalid because a viewport cannot simultaneously be at least 1920 pixels wide and no more than 1025 pixels wide. References/topics: responsive web design, CSS media queries, viewport breakpoints, mobile layout, tablet layout, desktop layout.
NEW QUESTION # 25
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