WEB-DEVELOPMENT-APPLICATIONS MOCK EXAM & RELIABLE WEB-DEVELOPMENT-APPLICATIONS EXAM LABS

Web-Development-Applications Mock Exam & Reliable Web-Development-Applications Exam Labs

Web-Development-Applications Mock Exam & Reliable Web-Development-Applications Exam Labs

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Tags: Web-Development-Applications Mock Exam, Reliable Web-Development-Applications Exam Labs, Web-Development-Applications Reliable Test Experience, Test Web-Development-Applications Guide, Dumps Web-Development-Applications Discount

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WGU Web Development Applications Sample Questions (Q65-Q70):

NEW QUESTION # 65
Which characters are used to enclose multiple statement in a function?

  • A. Spaces
  • B. Parentheses
  • C. Curly braces
  • D. Semicotons

Answer: C

Explanation:
In JavaScript, curly braces {} are used to enclose multiple statements in a function, defining the block of code to be executed.
* Curly Braces: Curly braces {} are used to group multiple statements into a single block. This is necessary for defining the body of a function, loops, conditional statements, and other control structures.
* Usage Example:
function greet(name) {
let greeting = "Hello, " + name;
console.log(greeting);
}
In this example, the curly braces enclose the statements that form the body of the greet function.
References:
* MDN Web Docs on Functions
* ECMAScript Language Specification


NEW QUESTION # 66
Which programming paradigm best describes JavaScript?

  • A. Function-driven
  • B. Event-driven
  • C. Object-oriented
  • D. Object-based

Answer: D

Explanation:
JavaScript is often described as an object-based language, meaning it is centered around objects. While it supports object-oriented programming (OOP) concepts, it is more accurate to describe it as object-based due to its prototypal inheritance model rather than classical inheritance.
* Object-Based: JavaScript is built around objects and supports the creation and manipulation of objects.
* Object-Oriented Features: JavaScript supports OOP principles like encapsulation, inheritance, and polymorphism, but through prototype chains rather than class-based inheritance.
* Functional and Event-Driven: JavaScript supports functional programming and is often used in an event-driven manner, particularly in the context of web browsers.
References:
* MDN Web Docs on JavaScript Object Model
* W3C JavaScript Overview


NEW QUESTION # 67
A file named application, Appchache contains the following content:

Which attribute should a developer set to application. Appchache so the four files will be cached?

  • A. The manifest attribute of the <html> element
  • B. The src attribute of the <script> element
  • C. The href attribute of the <Link> element
  • D. The srcset attribute of the <source> element

Answer: A

Explanation:
To specify a cache manifest file for an HTML document, the manifest attribute must be set in the <html> element. This attribute tells the browser to cache the files listed in the manifest for offline use.
* Cache Manifest:
* Purpose: Specifies resources that should be cached by the browser.
* Attribute: manifest is used in the <html> tag to link the cache manifest file.
* Example:
* Given the manifest file application.appcache:
CACHE MANIFEST
CACHE:
default.html
stylesheet.css
functions.js
logo.jpg
* HTML with the manifest attribute:
<html manifest="application.appcache">
</html>
* References:
* MDN Web Docs - Offline Web applications
* W3C HTML5 Specification - manifest attribute


NEW QUESTION # 68
Which code segment creates a slider field that accepts a numeric value ranging from 1 through 10?

  • A.
  • B.
  • C.
  • D.

Answer: B

Explanation:
To create a slider field that accepts a numeric value ranging from 1 through 10, the input element with type=" range" should be used. The min and max attributes define the range of acceptable values.
* HTML Input Type range:
* Purpose: The range type is used for input fields that should contain a value from a specified range.
* Attributes:
* type="range": Specifies that the input field should be a slider.
* min="1": Sets the minimum acceptable value.
* max="10": Sets the maximum acceptable value.
* Example:
* Given the HTML:
<input type="range" name="sat-level" min="1" max="10">
* Options Analysis:
* Option A:
<input type="number" name="sat-level" max="10">
* This creates a numeric input field, not a slider.
* Option B:
<input type="range" name="sat-level" min="1" max="10">
* This is the correct option that creates a slider field with the specified range.
* Option C:
<input type="number" name="sat-level" min="1" max="10">
* This creates a numeric input field, not a slider.
* Option D:
<input type="range" name="sat-level" max="10">
* This creates a slider but lacks the min attribute, so it doesn't fully meet the requirement.
* References:
* MDN Web Docs - <input type="range">
* W3Schools - HTML Input Range
By using the correct attributes, the slider field will allow users to select a value between 1 and 10.


NEW QUESTION # 69
Which framework assists designers with adaptive page layout?

  • A. Modernize
  • B. React
  • C. Bootstrap
  • D. Knockout

Answer: C

Explanation:
Bootstrap is a popular front-end framework that assists designers in creating adaptive and responsive page layouts easily.
* Bootstrap:
* Responsive Design: Bootstrap provides a responsive grid system, pre-styled components, and utilities that help in designing adaptive layouts.
* Example:
<div class="container">
<div class="row">
<div class="col-sm-4">Column 1</div>
<div class="col-sm-4">Column 2</div>
<div class="col-sm-4">Column 3</div>
</div>
</div>
* Other Options:
* A. Modernize: Not a framework, but a JavaScript library to detect HTML5 and CSS3 features.
* C. React: A JavaScript library for building user interfaces, not specifically for layout.
* D. Knockout: A JavaScript library for implementing MVVM pattern, not specifically for layout.
* References:
* Bootstrap Documentation
* MDN Web Docs - Responsive design
These answers ensure accurate and comprehensive explanations for the given questions, supporting efficient learning and understanding.


NEW QUESTION # 70
......

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