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Web-Development-Applications Practice Test Training Materials - Web-Development-Applications Test Prep - TroytecDumps

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

NEW QUESTION # 59
Which layout design is easiest to manage on a variety of devices?

A. Border
B. Grid
C. Table
D. Flow

Answer: B

Explanation:
A grid layout is easiest to manage across a variety of devices due to its flexibility and ability to create responsive designs that adapt to different screen sizes.
* Grid Layout:
* Responsive Design: Grid layouts can be easily adjusted using media queries to provide a consistent user experience across devices.
* CSS Grid Example:
container {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
}
* Other Options:
* A. Flow: Often used for text, not layout.
* B. Table: Outdated and not responsive.
* D. Border: Not commonly used for complex layouts.
* References:
* MDN Web Docs - CSS Grid Layout
* W3Schools - CSS Grid Layout

NEW QUESTION # 60
Which History API object is called when a browser window's document history changes?

A. Window, location
B. Window, name
C. Window, onpopstate
D. Window, open

Answer: C

Explanation:
The onpopstate event is triggered in the window object when the active history entry changes, such as when the user navigates to a different page using the back or forward buttons in the browser.
* History API and onpopstate:
* Event: window.onpopstate
* Description: This event is fired when the user navigates to a session history entry, i.e., when moving backwards or forwards in the browser history.
* Example:
window.onpopstate = function(event) {
console.log("location: " + document.location + ", state: " + JSON.stringify(event.state));
};
* Other Options:
* A. Window, location: location is an object containing information about the current URL.
* C. Window, name: name is a property to set or get the name of a window.
* D. Window, open: open is a method to open a new browser window or tab.
* References:
* MDN Web Docs - window.onpopstate
* W3Schools - JavaScript History API

NEW QUESTION # 61
What is a common technique to ensure users can access all content on a mobile web page?

A. Targeted site content
B. Access to multiple link layers
C. A link to the full site
D. Navigation links requiring scrolling

Answer: C

Explanation:
Providing a link to the full site on a mobile web page is a common technique to ensure users can access all content if they find the mobile version limiting.
* Advantages:
* Access to Full Functionality: Users can switch to the desktop version if they need features not available on the mobile site.
* User Control: It gives users the choice to view the site in a layout they are more comfortable with.
* Other Options:
* A. Access to multiple link layers: This does not directly address user needs for full site access.
* B. Targeted site content: While important, it does not replace the need for a full site link.
* D. Navigation links requiring scrolling: This can worsen the user experience on mobile devices.
* References:
* Google Developers - Mobile Site Design

NEW QUESTION # 62
Given the following JavaScript code:

What happens when this code is executed?

A. The object with the id demo is changed to x.
B. The object with the id innerHTML is changed to 6.
C. The object with the demo is changed to 6.
D. The object with the id innerHTML is changed to x.

Answer: C

Explanation:
The provided JavaScript code sets a variable x to 6 and then assigns this value to the innerHTML of the HTML element with the id demo.
var x;
x = 6;
document.getElementById("demo").innerHTML = x;
Explanation:
* Variable Declaration: var x; declares the variable x.
* Variable Assignment: x = 6; assigns the value 6 to the variable x.
* DOM Manipulation: document.getElementById("demo").innerHTML = x; finds the element with id demo and sets its innerHTML to the value of x, which is 6.
Outcome:
* The content of the HTML element with the id demo will be changed to 6.
References:
* MDN Web Docs on getElementById
* W3C JavaScript DOM Manipulation

NEW QUESTION # 63
Which code segment contains a conditional expression?

Answer: B

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. If count is greater than or equal to 10, result will be "Done", otherwise, it will call getResult().
* References:
* MDN Web Docs - Conditional (ternary) operator
* W3Schools - JavaScript Conditions

NEW QUESTION # 64
......

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