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WGU Web Development Applications Sample Questions (Q59-Q64):

NEW QUESTION # 59
A javaScript programmer defines the following function:

What is the name of the function?

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

Answer: A

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 # 60
Which property or method requires a minimum of two values to apply?

A. It accepts Hex values only
B. It requires a minimum of one value to apply
C. It requires a minimum of two values to apply.
D. It accepts pixel values only.

Answer: C

Explanation:
This question seems to be about a property or method that requires two values. Without additional context, the most common scenario that fits this description is CSS properties that define sizes or positions with two values. Examples include background-position, margin, padding, etc., where both horizontal and vertical values are needed.
References:
* MDN Web Docs on Background Position
* W3C CSS Backgrounds and Borders Module Level 3

NEW QUESTION # 61
Given the following code:

What does the console display as output?

A. 0
B. 1
C. 2

Answer: A

Explanation:
Given the code segment:
var a = "8";
var b = "6";
var c = a + b;
console.log(c);
This code concatenates two strings.
* Explanation:
* var a = "8";: Variable a is assigned the string "8".
* var b = "6";: Variable b is assigned the string "6".
* var c = a + b;: The + operator concatenates the two strings, resulting in "86".
* console.log(c);: Outputs the value of c to the console.
* Output:
* The console displays "86" because it concatenates the two string values.
* References:
* MDN Web Docs - String
* W3Schools - JavaScript String

NEW QUESTION # 62
Which HTML element should a developer use to logically group a set of related HTML elements?

A. Datalist
B. Fieldset
C. input
D. Select

Answer: B

Explanation:
The <fieldset> element is used to group a set of related HTML elements in a form. It provides a way to logically group related controls and labels.
* Fieldset Element: The <fieldset> element can be used to create a group of form controls, along with an optional <legend> element that provides a caption for the group.
* Usage Example:
<fieldset>
<legend>Personal Information</legend>
<label for="name">Name:</label>
<input type="text" id="name" name="name">
<label for="email">Email:</label>
<input type="email" id="email" name="email">
</fieldset>
This groups the name and email input fields under the legend "Personal Information".
References:
* MDN Web Docs on <fieldset>
* W3C HTML Specification on Fieldset

NEW QUESTION # 63
What should be used to request and Update data in the background?

A. DOM
B. API
C. AJAX
D. Canvas

Answer: C

Explanation:
AJAX (Asynchronous JavaScript and XML) is used to request and update data in the background without reloading the web page.
* AJAX Overview:
* Purpose: Allows web pages to be updated asynchronously by exchanging data with a web server behind the scenes.
* Benefits: Provides a smoother user experience by avoiding full page reloads.
* Example:
* Using XMLHttpRequest:
var xhr = new XMLHttpRequest();
xhr.open("GET", "data.json", true);
xhr.onreadystatechange = function() {
if (xhr.readyState === 4 && xhr.status === 200) {
var data = JSON.parse(xhr.responseText);
console.log(data);
}
};
xhr.send();
* References:
* MDN Web Docs - AJAX
* W3Schools - AJAX Introduction

NEW QUESTION # 64
......

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