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WGU Certification
Web-Development-Applications Exam
WGU.Web-Development-Applications.v2026-01-16.q68 Dumps

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Question 31

What represents the value of the `pattern` attribute of an input element in an HTML form?

A.A style sheet
B.A regular expression
C.A JavaScript function
D.A SQL statement

Correct Answer: B

> "The value of the `pattern` attribute must be a valid regular expression. This expression defines what input is considered valid."
> Used for input validation directly in HTML without relying on JavaScript.
References:
* MDN Web Docs: pattern attribute
* W3C HTML Form Validation Specification
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Question 32

Which programming paradigm best describes JavaScript?

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

Correct Answer: B

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

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Question 33

What is the used to render images dynamically?

A.MPEG-4
B.Canvas
C.Ogg
D.H.264

Correct Answer: B

The <canvas> element in HTML5 is used to render images and graphics dynamically through JavaScript. It is a powerful feature for creating graphics, game visuals, data visualizations, and other graphical content directly in the browser.
* Canvas Element: The <canvas> element is an HTML tag that, with the help of JavaScript, can be used to draw and manipulate graphics on the fly.
* Usage Example:
<canvas id="myCanvas" width="200" height="100"></canvas>
<script>
var canvas = document.getElementById("myCanvas");
var ctx = canvas.getContext("2d");
ctx.fillStyle = "#FF0000";
ctx.fillRect(0, 0, 200, 100);
</script>
In this example, a red rectangle is drawn on a canvas element.
References:
* MDN Web Docs on <canvas>
* W3C HTML Canvas 2D Context Specification

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Question 34

Which layout method causes images to render to small or too large in browser windows of different sizes?

A.Fluid
B.Fixed width
C.Liquid
D.Relative width

Correct Answer: B

A fixed-width layout method specifies exact pixel values for widths. This approach does not adapt to different screen sizes, leading to images rendering too small or too large on various devices.
* Fixed Width Layout:
* Definition: Uses specific pixel values for the width of elements.
* Example:
container {
width: 800px;
}
* Issues:
* Lack of Flexibility: Does not scale with the size of the viewport, causing images and other elements to appear incorrectly sized on different screen sizes.
* Comparison:
* Fluid/Liquid: Adapts to the screen size using percentages or other relative units.
* Relative Width: Also adapts using units like em or %.
* References:
* MDN Web Docs - Fixed vs. Fluid Layout
* W3C CSS Flexible Box Layout Module Level 1
Using fixed-width layouts can result in poor user experience across different devices, highlighting the importance of responsive design principles.
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Question 35

Which CSS transformation method should a developer use to reposition an element horizontally on the 2-D plane?

A.Skewx (angle)
B.Scale (x,y)
C.Translatex(n)
D.Scalex(n)

Correct Answer: C

ThetranslateX(n)method in CSS is used to move an element horizontally on the 2-D plane by a specified distance. This transformation repositions the element along the X-axis.
* translateX(n)Method: ThetranslateX(n)function moves an element horizontally bynunits. Positive values move the element to the right, while negative values move it to the left.
* Usage Example:
element {
transform: translateX(100px);
}
In this example, the element is moved 100 pixels to the right.
* Properties:
* n: This represents the distance to move the element. It can be specified in various units such as pixels (px), percentages (%), ems (em), etc.
:
MDN Web Docs ontransform
W3C CSS Transforms Module Level 1

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