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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Application Lifecycle Management | 20% | - Stages of application lifecycle
|
| Topic 2: Layouts | 20% | - Responsive design
|
| Topic 3: JavaScript Coding | 15% | - Event handling
|
| Topic 4: Forms | 20% | - Form elements and markup
|
| Topic 5: Graphics and Animation | 25% | - Canvas element usage
|
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NEW QUESTION # 23
Which two functions support 2D transformations in CSS3? Choose 2.
Answer: A,D
Explanation:
The correct transformation functions are matrix() and skew(). CSS transformations are applied with the transform property and accept transform functions that alter an element's rendered appearance in two- dimensional or three-dimensional space. MDN defines < transform-function > as a data type representing a transformation that can rotate, resize, distort, or move an element in 2D or 3D space. The matrix() function is valid because it defines a homogeneous two-dimensional transformation matrix, allowing translation, scaling, rotation, and skewing effects to be represented numerically in one function. The skew() function is also valid because it explicitly skews an element on the 2D plane. scroll() is not a CSS transform function; scrolling is handled through overflow behavior or scrolling APIs. move() is also not a valid CSS transform function; the standard transform function for movement is translate(). References/topics: CSS3 transforms, transform property, 2D transformation functions, matrix(), skew().
==========
NEW QUESTION # 24
You define the following layout:
< !DOCTYPE html >
< html >
< head >
< style >
section {
display: flex;
align-items: center;
flex-wrap: wrap;
min-height: 200px;
width: 700px;
background: linen;
}
section p {
flex: 1;
min-width: 200px;
padding: 20px;
}
< /style >
< /head >
< body >
< h2 > Exhibits to visit at the zoo < /h2 >
< section >
< p style= " order: 3 " > Lions < /p >
< p style= " order: 4 " > Tigers < /p >
< p style= " order: 2 " > Bears < /p >
< p style= " order: 1 " > Zoo Trip < /p >
< /section >
< /body >
< /html >
For each statement about the markup shown on the left, select True or False.
Answer:
Explanation:
Explanation:
The paragraph containing the text Tigers will display first.
False
The section p CSS refers to the parent flexbox container.
False
When the paragraphs have a width less than 200px, the last paragraph will wrap to the next line.
True
The parent flexbox container is the section element because it has display: flex;. The paragraphs inside the section become flex items. The display order is controlled by each paragraph's inline order value, and flex items are laid out from the lowest order value to the highest. Therefore, Zoo Trip with order: 1 displays first, followed by Bears, Lions, and finally Tigers; the statement that Tigers displays first is false. The selector section p does not refer to the parent flexbox container. It targets paragraph elements inside a section, meaning it styles the flex items, not the flex container. The container itself is targeted by the section rule. The final statement is true in intent because flex-wrap: wrap; allows flex items to move to a new line when they cannot fit in the available row. Since each paragraph has min-width: 200px, items are prevented from shrinking below that minimum and wrapping occurs when available space is insufficient. References/topics:
CSS flexbox, flex container, flex items, order, flex-wrap, min-width.
NEW QUESTION # 25
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 # 26
You write the following JavaScript code. Line numbers are included for reference only.
01 < script >
02
03 beststudent = new Student( " David " , " Hamilton " );
04 document.write(beststudent.fullname + " is registered. " );
05 < /script >
You need to write a function that will initialize and encapsulate the member variable fullname.
Which code fragment could you insert at line 02 to achieve this goal?
Note: Each correct answer presents a complete solution.
Answer: A
Explanation:
The correct answer is A because the code at line 03 creates an object by calling a constructor function with the new keyword. A constructor function must be declared with the same identifier used in the new Student( " David " , " Hamilton " ) expression. Inside the constructor, instance members should be assigned through this, because this refers to the newly created object. Option A correctly initializes this.firstname, this.lastname, and this.fullname, so beststudent.fullname is available at line 04 and evaluates to " David Hamilton " . Option B is invalid JavaScript syntax because var student(firstName, lastName) is not a valid function declaration. Option C is also invalid syntax for the same reason: var Student(firstname, lastname) cannot declare a constructor.
Option D uses a valid function declaration, but it assigns firstname, lastname, and fullname without this, which creates or references non-encapsulated variables rather than properties of the constructed object.
References/topics: JavaScript constructor functions, new keyword, object instance properties, this, custom classes.
NEW QUESTION # 27
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: C
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 # 28
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