2026 Reliable Study Materials & Testing Engine for Web-Development-Applications Exam Success!
Validate your Skills with Updated Web-Development-Applications Exam Questions & Answers and Test Engine
WGU Web-Development-Applications Exam Syllabus Topics:
| Topic | Details |
|---|---|
| Topic 1 |
|
| Topic 2 |
|
| Topic 3 |
|
| Topic 4 |
|
NEW QUESTION # 77
Which code segment creates a slider field that accepts a numeric value ranging from 1 through 10?
- A.
- B.
- C.
- D.
Answer: C
Explanation:
To create a slider field that accepts a numeric value ranging from 1 through 10, theinputelement withtype=" range"should be used. Theminandmaxattributes define the range of acceptable values.
* HTML Input Typerange:
* Purpose: Therangetype 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 theminattribute, so it doesn't fully meet the requirement.
:
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 # 78
What is the purpose of cascading style sheets (CSSs)?
- A. Setting rules to define how page content looks when rendered
- B. Changing the content of a web page dynamically
- C. Structuring and describing web page content
- D. Providing functionality that was previously provided by plug-ins
Answer: A
Explanation:
Cascading Style Sheets (CSS) are used to control the presentation of web pages, including aspects such as layout, colors, fonts, and other visual styles. They are a cornerstone technology of the World Wide Web, along with HTML and JavaScript. Here's a detailed breakdown:
* Purpose of CSS: CSS is designed to enable the separation of document content (written in HTML or a similar markup language) from document presentation, including elements such as the layout, colors, and fonts. This separation can improve content accessibility, provide more flexibility and control in the specification of presentation characteristics, enable multiple web pages to share formatting, and reduce complexity and repetition in the structural content.
* Setting Visual Rules: CSS allows developers to define rules that specify how different elements of a web page should be displayed. For example, CSS rules can change text color, font size, spacing between elements, and even the overall layout of the web page. These rules are applied by the browser to render the web page according to the defined styles.
* Cascading Nature: The term "cascading" in CSS refers to the process of combining multiple style sheets and resolving conflicts between different CSS rules. This allowsdevelopers to use different sources of style information, which can be combined in a hierarchical manner. For instance, a browser style sheet, an external style sheet, and inline styles can all contribute to the final rendering of a web page.
* Benefits of CSS:
* Consistency: By using CSS, developers can ensure a consistent look and feel across multiple web pages.
* Maintainability: CSS makes it easier to update the visual presentation of a web page without altering the HTML structure. This is particularly useful for maintaining large websites.
* Reusability: CSS rules can be reused across multiple pages, reducing redundancy and making it easier to implement changes globally.
* Examples of CSS:
css
Copy code
body {
background-color: lightblue;
}
h1 {
color: navy;
margin-left: 20px;
}
In this example, thebodyelement is given a light blue background color, and theh1element is styled with a navy color and a left margin of 20 pixels.
:
MDN Web Docs on CSS
W3C CSS Specifications
NEW QUESTION # 79
What should be used to request and Update data in the background?
- A. DOM
- B. AJAX
- C. Canvas
- D. API
Answer: B
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 # 80
Which code segment creates a slider field that accepts a numeric value ranging from 1 through 10?
- A.
- B.
- C.
- D.
Answer: A
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 # 81
Given the following code:
Var a = ''true'';
What is the data type of d?
- A. String
- B. Boolean
- C. Undefined
- D. Object
Answer: A
Explanation:
The data type of the variableais determined by the value assigned to it. In JavaScript, if a value is enclosed in double or single quotes, it is treated as a string.
* Variable Assignment:
* Given the code:
var a = "true";
* The value"true"is enclosed in double quotes, making it a string.
* Explanation:
* Option A: Boolean is incorrect because the value"true"is a string, not a boolean.
* Option B: String is correct because the value is enclosed in double quotes.
* Option C: Object is incorrect because the value is a primitive string.
* Option D: Undefined is incorrect because the variableais assigned a value.
:
MDN Web Docs - JavaScript Data Types
W3Schools - JavaScript Data Types
NEW QUESTION # 82
Which characters are used to enclose multiple statement in a function?
- A. Spaces
- B. Parentheses
- C. Semicotons
- D. Curly braces
Answer: D
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 # 83
Given the following HTML statement:
```html
<!DOCTYPE html>
<html>
<head>
<title>Page</title>
</head>
<style>
hl {
background-colored;
}
</style>
<body>
<hl>Hello student!</hl>
</body>
```
Which CSS property should a developer use to apply a distance of 10 pixels between the text and its outer element in all directions (top, right, bottom, and left)?
- A. float
- B. padding
- C. margin
- D. border
Answer: B
Explanation:
According to the CSS specification and documentation:
> "The `padding` CSS shorthand property sets the padding area on all four sides of an element. Padding is the space between the content of the element and its border."
>
> "If you want to create space *inside* an element, use padding. If you want to create space *outside* of an element, use margin." In this case, the developer needs to apply a distance between the content (text) and the element's outer edge
- which is the definition of padding.
References:
* MDN Web Docs: CSS padding property
* CSS Standard (W3C): Box model explanation
---
NEW QUESTION # 84
A developer tests a website on a tablet and notices that the font is small and unreadable.
What should this developer do to fix the issue?
- A. Renew the expired SSL certificate
- B. Build the site for mobile devices
- C. Update to a current HTML version
- D. Link the full site to the domain
Answer: B
Explanation:
> "To improve readability on tablets and mobile screens, developers should apply responsive design principles. This involves using relative font sizes, media queries, and viewport settings to build the site for mobile devices."
> Updating the HTML version or SSL has no effect on font size or layout.
References:
* MDN Web Docs: Responsive Design
* Google Developer Guidelines: Mobile-Friendly Sites
---
NEW QUESTION # 85
Given the following code:
html
Copy
Edit
<!DOCTYPE html>
<html>
<head>
<style>
p { font-family: Georgia, serif; }
</style>
</head>
<body>
<h1>The font-family Property</h1>
<p>The quick brown fox jumps over the lazy dog.</p>
</body>
</html>
Which CSS rule would ensure the heading displays at 16pt size?
- A. #h1 { text-size: 16pt; }
- B. h1 { font-size: 16pt; }
- C. h1 { text-size: 16pt; }
- D. #h1 { font-size: 16pt; }
Answer: B
Explanation:
To style an <h1> tag, you use the element selector h1, and to define the size of the font, use the font-size property. The text-size property does not exist in CSS.
Correct rule:
h1 {
font-size: 16pt;
}
"The font-size property sets the size of the font. Use element selectors (like h1) to apply styles to all elements of that type." References:
CSS Fonts Specification
MDN Web Docs - font-size
W3Schools - CSS Font Properties
NEW QUESTION # 86
Which attribute is related to moving the mouse pointer of an element?
- A. Onmouseover
- B. Onmouseup
- C. onmouseenter
- D. Onmouseout
Answer: A
Explanation:
The onmouseover attribute in HTML and JavaScript is used to execute a script when the mouse pointer is moved over an element.
* onmouseover Attribute: This event occurs when the mouse pointer is moved onto an element. It is commonly used to change styles or content of the element when the user interacts with it by hovering.
* Usage Example:
<p onmouseover="this.style.color='red'">Hover over this text to change its color to red.</p> In this example, the text color changes to red when the mouse pointer is moved over the paragraph.
References:
* MDN Web Docs on onmouseover
* W3C HTML Specification on Events
NEW QUESTION # 87
Which method allows the end user to enter text as an answer to a question as the page loads?
- A. Prompt
- B. alert
- C. Confirm
- D. Write
Answer: A
Explanation:
Thepromptmethod 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.
* promptMethod: Thepromptmethod displays a dialog box with an optional message prompting the user to input some text. It returns the text entered by the user ornullif 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.
:
MDN Web Docs onprompt
W3C HTML Specification on Dialogs
NEW QUESTION # 88
What represents the value of the pattern attribute of an input element in an HTML
- A. A JavaScript function
- B. A SQL statement
- C. A regular expression
- D. A style sheet
Answer: C
Explanation:
The value of thepatternattribute in an input element is a regular expression. This regular expression is used to define what constitutes a valid value for the input.
* Regular Expressions: Regular expressions (regex) are sequences of characters that define search patterns. They are commonly used for string matching and validation.
* Usage Example:
<input type="text" pattern="\d{5}" placeholder="Enter a 5-digit number"> Here, thepatternattribute value is a regular expression that validates a five-digit number.
:
MDN Web Docs onpattern
Regular Expressions Documentation
NEW QUESTION # 89
Which method retrieves periods updates about the geographic location of a user:
- A. ClearWatch
- B. GetContext
- C. WatchPosition
- D. getCurrentPosition
Answer: C
Explanation:
ThewatchPositionmethod in the Geolocation API is used to get periodic updates about the geographic location of a user.
* watchPositionMethod: This method calls the provided callback function with the user's current position as the device's location changes.
* Usage Example:
navigator.geolocation.watchPosition(function(position) {
console.log("Latitude: " + position.coords.latitude + ", Longitude: " + position.coords.longitude);
});
In this example, thewatchPositionmethod continuously logs the user's latitude and longitude to the console as the position changes.
:
MDN Web Docs onwatchPosition
W3C Geolocation API Specification
NEW QUESTION # 90
What should a developer correct before revalidating after a code validator reports multiple errors in code?
- A. Only CSS errors
- B. The first reported error
- C. Only JavaScript errors
- D. The last reported error
Answer: B
Explanation:
When using a code validator to check your HTML, CSS, or JavaScript code, it's essential to address errors in a systematic manner. The correct approach is to correct the first reported error before revalidating. This method is recommended because often, the first error can cause a cascade of subsequent errors or warnings.
By fixing the first error, you may automatically resolve other errors that were reported later.
* Reasoning:
* Cascading Errors: The first error in the code might lead to multiple subsequent errors. Fixing it can sometimes resolve those cascading errors, reducing the overall number of errors in the next validation.
* Logical Flow: Addressing errors in the order they appear maintains a logical flow and makes debugging more manageable.
* Steps to Follow:
* Step 1: Run the code through the validator.
* Step 2: Identify the first reported error.
* Step 3: Correct the first error.
* Step 4: Revalidate the code to check if the error count has reduced or if new errors appear.
* Step 5: Repeat the process until all errors are resolved.
:
W3C Markup Validation Service
MDN Web Docs - Debugging HTML
W3C CSS Validation Service
NEW QUESTION # 91
Given the following code:
What is the value of the variable data when the code runs?
- A. An empty string
- B. A single-character string
- C. Undefined
- D. Null
Answer: A
Explanation:
In JavaScript, assigning an empty pair of quotes to a variable creates an empty string.
* Variable Assignment:
* Given the code:
var data = "";
* The variabledatais assigned an empty string.
* Explanation:
* Option A: Null is incorrect because the variable is assigned an empty string, notnull.
* Option B: A single-character string is incorrect because the string is empty.
* Option C: Undefined is incorrect because the variable is assigned a value, even though it is an empty string.
* Option D: An empty string is correct because""represents an empty string.
:
MDN Web Docs - String
W3Schools - JavaScript Strings
NEW QUESTION # 92
Given the following CSS:
What is being configured?
- A. Processing on a server
- B. Rendering to the canvas
- C. Processing in the browser
Answer: C
Explanation:
The given CSS configures properties that control the processing of animations directly in the browser.
* CSS Animations: CSS animations are processed by the browser's rendering engine. The animations defined by CSS are handled client-side and do not require server-side processing.
* Key Properties:
NEW QUESTION # 93
A web designer evaluates the following CSS rule:
.head { color: #0000ff; }
Which element is selected as a result?
- A. <head>
- B. <div class="head">
- C. <H1>
- D. <div id="head">
Answer: B
Explanation:
In CSS, a class selector is denoted with a period (.), and it applies to elements with that class attribute.
head targets any element with class="head", such as:
<div class="head"> ... </div>
"A CSS class selector uses a period (.) followed by the class name. It matches elements whose class attribute includes that class name." References:
CSS Selectors Specification
MDN Web Docs - Class Selectors
W3Schools - CSS Class Selector
NEW QUESTION # 94
Which of the following statements is true about CSS properties that define sizes or positions with two values?
- A. It accepts pixel 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 Hex 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 includebackground-position,margin,padding, etc., where both horizontal and vertical values are needed.
:
MDN Web Docs on Background Position
W3C CSS Backgrounds and Borders Module Level 3
NEW QUESTION # 95
Which code segment contains a conditional expression?
- A.
- B.
- C.
- D.
Answer: C
Explanation:
A conditional expression in JavaScript is an expression that evaluates to a boolean value and controls the execution flow based on its result. The conditional (ternary) operator? :is used for conditional expressions.
* Example Analysis:
* Option A:
var result = dataCount;
* This is a simple assignment, not a conditional expression.
* Option B:
var result = count++ > 10;
* This is a comparison but not a complete conditional expression.
* Option C:
var result = dataCount++ * 1000 == 3000000;
* This is an arithmetic operation followed by a comparison but not a complete conditional expression.
* Option D:
javascript
Copy code
var result = count >= 10 ? "Done" : getResult();
* This is a conditional (ternary) expression. Ifcountis greater than or equal to 10,resultwill be" Done", otherwise, it will callgetResult().
:
MDN Web Docs - Conditional (ternary) operator
W3Schools - JavaScript Conditions
NEW QUESTION # 96
Given the following HTML statement:
And the following style:
Which line of the changes the background color of the <div> tag when the width is between 600 pixels and
900 pixels or more than 1, 100 pixels?
- A.
- B.
- C.
- D.
Answer: A
Explanation:
The given HTML and CSS statements define a class named "example" and use media queries to change the background color of the <div> element based on the screen width. The correct CSS media query to change the background color of the <div> tag when the width is between 600 pixels and 900 pixels or more than 1100 pixels is:Copy code
@media screen and (max-width: 900px) and (min-width: 600px), (min-width: 1100px) { div.example { background: yellow;
}
}
* Understanding Media Queries:
* @media screen: Applies the styles only for screens.
* (max-width: 900px) and (min-width: 600px): Targets screen widths between 600 and 900 pixels.
* , (comma): Acts as an "or" operator in media queries.
* (min-width: 1100px): Targets screen widths greater than or equal to 1100 pixels.
* Option C Explanation:
* This option uses the correct media query syntax to apply the background color change when the screen width is between 600 and 900 pixels or when it is 1100 pixels or more.
References:
* MDN Web Docs on Media Queries
* W3C CSS Media Queries Level 4
The correct CSS media query based on the provided options is:
@media screen and (max-width: 900px) and (min-width: 600px), (min-width: 1100px) { div.example { background: yellow;
}
}
References for Media Queries:
* MDN Web Docs on Using Media Queries
* W3C CSS Media Queries Module Level 4
NEW QUESTION # 97
Which HTML tag should a developer use to create a drop-down list?
- A. <Section >
- B. <Output>
- C. <Select>
- D. <Option>
Answer: C
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 # 98
Given the following code:
What is the value of the variable data when the code runs?
- A. An empty string
- B. A single-character string
- C. Undefined
- D. Null
Answer: A
Explanation:
In JavaScript, assigning an empty pair of quotes to a variable creates an empty string.
* Variable Assignment:
* Given the code:
var data = "";
* The variable data is assigned an empty string.
* Explanation:
* Option A: Null is incorrect because the variable is assigned an empty string, not null.
* Option B: A single-character string is incorrect because the string is empty.
* Option C: Undefined is incorrect because the variable is assigned a value, even though it is an empty string.
* Option D: An empty string is correct because "" represents an empty string.
* References:
* MDN Web Docs - String
* W3Schools - JavaScript Strings
NEW QUESTION # 99
What represents the value of the pattern attribute of an input element in an HTML
- A. A JavaScript function
- B. A SQL statement
- C. A regular expression
- D. A style sheet
Answer: C
Explanation:
The value of the pattern attribute in an input element is a regular expression. This regular expression is used to define what constitutes a valid value for the input.
* Regular Expressions: Regular expressions (regex) are sequences of characters that define search patterns. They are commonly used for string matching and validation.
* Usage Example:
<input type="text" pattern="\d{5}" placeholder="Enter a 5-digit number"> Here, the pattern attribute value is a regular expression that validates a five-digit number.
References:
* MDN Web Docs on pattern
* Regular Expressions Documentation
NEW QUESTION # 100
Given the following HTML code:
Which line of code should replace the first line to ensure that users can pause and restart the video?
- A.
- B.
- C.
- D.
Answer: C
Explanation:
To ensure that users can pause and restart the video, the controls attribute needs to be added to the <video> tag. This attribute provides the user with controls to play, pause, and adjust the volume of the video. The correct line of code that should replace the first line in the provided HTML to achieve this functionality is:
<video width="360" height="270" controls>
Here's the comprehensive explanation:
* controls Attribute: The controls attribute is a boolean attribute. When present, it specifies that video controls should be displayed, allowing the user to control video playback, including pausing, playing, and seeking.
* HTML Structure:
* Original Line:
<video width="360" height="270">
* Revised Line:
<video width="360" height="270" controls>
* Usage Example:
<video width="360" height="270" controls>
<source src="video.mp4" type="video/mp4">
Your browser does not support the HTML5 video element.
</video>
In this example, adding the controls attribute provides the user with play, pause, and volume controls.
References:
* MDN Web Docs on <video>
* W3C HTML5 Specification on <video>
NEW QUESTION # 101
......
Regular Free Updates Web-Development-Applications Dumps Real Exam Questions Test Engine: https://www.testbraindump.com/Web-Development-Applications-exam-prep.html
Tested & Approved Web-Development-Applications Study Materials Download: https://drive.google.com/open?id=1pEtriNzeoQOiAhES_Yk6OkWxlK0J0iYB
