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100% Pass Quiz Valid WGU - Web-Development-Applications Latest Exam

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WGU Web Development Applications Sample Questions (Q18-Q23):

NEW QUESTION # 18
A javaScript programmer defines the following function:

What is the name of the function?

A. Return
B. Number
C. square
D. Function

Answer: C

Explanation:
In JavaScript, the name of a function is defined after the function keyword and before the parentheses that enclose its parameters.
* Function Name: The function name is the identifier used to call the function. It is defined immediately after the function keyword.
* Usage Example:
function square(number) {
return number * number;
}
In this example, the name of the function is square.
References:
* MDN Web Docs on Functions
* ECMAScript Language Specification

NEW QUESTION # 19
What allows a scripting language to manipulate elements on a web page?

A. HTML
B. XML
C. DOM
D. CSS

Answer: C

Explanation:
The Document Object Model (DOM) is an API for HTML and XML documents that defines the logical structure of documents and the way a document is accessed and manipulated.
* DOM Explanation:
* The DOM represents the page so that programs can change the document structure, style, and content.
* It provides a way for scripts to update the content, structure, and style of a document while it is being viewed.
* Explanation:
* Option A: CSS is incorrect because it is used for styling web pages.
* Option B: XML is incorrect because it is a markup language, not an API for manipulating web page elements.
* Option C: HTML is incorrect because it is the markup language used to create web pages, not an API for manipulation.
* Option D: DOM is correct because it allows a scripting language to manipulate elements on a web page.
* References:
* MDN Web Docs - DOM
* W3Schools - JavaScript HTML DOM

NEW QUESTION # 20
Which method allows the end user to enter text as an answer to a question as the page loads?

A. alert
B. Prompt
C. Confirm
D. Write

Answer: B

Explanation:
The prompt method in JavaScript displays a dialog box that prompts the user for input, allowing the end user to enter text as an answer to a question when the page loads.
* prompt Method: The prompt method displays a dialog box with an optional message prompting the user to input some text. It returns the text entered by the user or null if the user cancels the dialog.
* Usage Example:
let userInput = prompt("Please enter your name:", "Harry Potter");
console.log(userInput);
In this example, a prompt dialog asks the user to enter their name, and the entered text is logged to the console.
References:
* MDN Web Docs on prompt
* W3C HTML Specification on Dialogs

NEW QUESTION # 21
What is an advantage that a mobile has over a mobile app?

A. It is automatically awe to access all device capabilities
B. It is automatically available to all users
C. It is fully functional offline.
D. It has full control of the user interface

Answer: B

Explanation:
A mobile website has the advantage of being automatically available to all users without the need for installation. Users can access it through their web browsers on any device with internet connectivity.
* Accessibility: Mobile websites can be accessed by simply entering a URL in a web browser. There is no need to visit an app store and install an application.
* Cross-Platform Compatibility: Mobile websites are designed to work across various devices and platforms, ensuring a broader reach.
* Automatic Updates: Updates to mobile websites are immediately available to users without requiring them to download and install new versions.
References:
* MDN Web Docs on Responsive Web Design
* W3C Mobile Web Application Best Practices

NEW QUESTION # 22
Which HTML tag should a developer use to create a drop-down list?

A. <Select>
B. <Option>
C. <Section >
D. <Output>

Answer: A

Explanation:
The <select> tag is used in HTML to create a drop-down list. It is used in conjunction with the <option> tags to define the list items within the drop-down menu.
* Purpose of <select>: The <select> element is used to create a control that provides a menu of options.
The user can select one or more options from the list.
* Structure of Drop-down List:
* The <select> element encloses the <option> elements.
* Each <option> element represents an individual item in the drop-down list.
* Usage Example:
<label for="cars">Choose a car:</label>
<select id="cars" name="cars">
<option value="volvo">Volvo</option>
<option value="saab">Saab</option>
<option value="fiat">Fiat</option>
<option value="audi">Audi</option>
</select>
In this example, the <select> tag creates a drop-down list with four options: Volvo, Saab, Fiat, and Audi.
* Attributes of <select>:
* name: Specifies the name of the control, which is submitted with the form data.
* id: Used to associate the <select> element with a label using the <label> tag's for attribute.
* multiple: Allows multiple selections if set.
References:
* MDN Web Docs on <select>
* W3C HTML Specification on Forms

NEW QUESTION # 23
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