WEB-DEVELOPMENT-APPLICATIONS LATEST TEST BRAINDUMPS - EXAM WEB-DEVELOPMENT-APPLICATIONS PREPARATION

Web-Development-Applications Latest Test Braindumps - Exam Web-Development-Applications Preparation

Web-Development-Applications Latest Test Braindumps - Exam Web-Development-Applications Preparation

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Tags: Web-Development-Applications Latest Test Braindumps, Exam Web-Development-Applications Preparation, Web-Development-Applications Latest Test Question, Web-Development-Applications 100% Accuracy, Test Web-Development-Applications King

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Exam WGU Web-Development-Applications Preparation - Web-Development-Applications Latest Test Question

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WGU Web Development Applications Sample Questions (Q39-Q44):

NEW QUESTION # 39
Given the following CSS statement:

Which code segment changes the font color when the viewport is 800 pixels wide or wider?

  • A.
  • B.
  • C.
  • D.

Answer: A

Explanation:
To change the font color when the viewport is 800 pixels wide or wider, a media query with min-width:
800px is used. This ensures that the styles inside the media query are applied only when the viewport width is at least 800 pixels.
* CSS Media Queries:
* Syntax for Media Query:
@media screen and (min-width: 800px) {
body {
color: black;
}
}
* Explanation: The min-width: 800px condition ensures that the styles are applied when the viewport is 800 pixels or wider.
* Example Analysis:
* Option A:
@media screen and (min-width: 800px) {
body {
color: black;
}
}
* Correct. This applies the color: black; style to the body when the viewport is 800 pixels or wider.
* Option B:
@media min-width: 800px {
body {
color: black;
}
}
* Incorrect. Missing screen and which is required for a proper media query targeting screens.
* Option C:
@media screen and (max-width: 800px) {
body {
color: black;
}
}
* Incorrect. This applies the style when the viewport is 800 pixels or narrower.
* Option D:
@media max-width: 800px {
body {
color: black;
}
}
* Incorrect. This applies the style when the viewport is 800 pixels or narrower.
* References:
* MDN Web Docs - Using media queries
* W3Schools - CSS Media Queries
The correct use of media queries ensures that the specified styles are applied only under the desired conditions, providing a responsive design.


NEW QUESTION # 40
Where can users items using the HTML

  • A. From a web page to another web page
  • B. From a user's computer to a web page
  • C. From a user's computer to another computer
  • D. From a web page to a user's computer

Answer: B

Explanation:
Using HTML, users can upload files from their computer to a web page using the <input> element with the type="file" attribute.
* File Upload Input: The <input type="file"> element is used in forms to allow users to select files from their local file system to be uploaded to a server.
* Usage Example:
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:
html
Copy code
<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
<form action="/upload" method="post" enctype="multipart/form-data">
<input type="file" name="fileToUpload" id="fileToUpload">
<input type="submit" value="Upload File" name="submit">
</form>
In this example, users can choose a file from their computer and upload it to the specified server endpoint.
References:
* MDN Web Docs on <input type="file">
* W3C HTML Specification on File Upload


NEW QUESTION # 41
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 has full control of the user interface
  • D. It is fully functional offline.

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 # 42
Which feature was introduced in HTML5?

  • A. Addition of CSS in the HTML file
  • B. Native drag-and-drop capability
  • C. Adherence to strict XML syntax rules
  • D. Ability to hyperlink to multiple web pages

Answer: B

Explanation:
HTML5 introduced several new features that enhanced web development capabilities significantly. One of the notable features is the native drag-and-drop capability.
* Native Drag-and-Drop Capability:
* Description: HTML5 allows developers to create drag-and-drop interfaces natively using the draggable attribute and the DragEvent interface. This means elements can be dragged and dropped within a web page without requiring external JavaScript libraries.
* Implementation:
* Making an Element Draggable: To make an element draggable, you set the draggable attribute to true:
<div id="drag1" draggable="true">Drag me!</div>
* Handling Drag Events: You use event listeners for drag events such as dragstart, dragover, and drop:
document.getElementById("drag1").addEventListener("dragstart", function(event) { event.dataTransfer.setData("text", event.target.id);
});
document.getElementById("dropzone").addEventListener("dragover", function(event) { event.preventDefault();
});
document.getElementById("dropzone").addEventListener("drop", function(event) { event.preventDefault(); var data = event.dataTransfer.getData("text"); event.target.appendChild(document.getElementById(data));
});
* Example: This example demonstrates a simple drag-and-drop operation:
html
Copy code
<div id="drag1" draggable="true">Drag me!</div>
<div id="dropzone" style="width: 200px; height: 200px; border: 1px solid black;">Drop here</div>
* References:
* W3C HTML5 Specification - Drag and Drop
* MDN Web Docs - HTML Drag and Drop API
* HTML5 Doctor - Drag and Drop
HTML5's native drag-and-drop feature streamlines the process of creating interactive web applications by eliminating the need for third-party libraries, thus making it a powerful addition to the HTML standard.


NEW QUESTION # 43
Given the following code:
Var a = ''true'';
What is the data type of d?

  • A. String
  • B. Undefined
  • C. Boolean
  • D. Object

Answer: A

Explanation:
The data type of the variable a is 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 variable a is assigned a value.
* References:
* MDN Web Docs - JavaScript Data Types
* W3Schools - JavaScript Data Types


NEW QUESTION # 44
......

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