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WGU Web Development Applications Sample Questions (Q114-Q119):

NEW QUESTION # 114
Given the following CSS statement:

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

Answer: B

Explanation:
To change the font color when the viewport is 800 pixels wide or wider, a media query withmin-width:
800pxis 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: Themin-width: 800pxcondition 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 thecolor: black;style to thebodywhen the viewport is 800 pixels or wider.
* Option B:
@media min-width: 800px {
body {
color: black;
}
}
* Incorrect. Missingscreen andwhich 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.
:
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 # 115
Given the following code:

What does the #item token do?

A. It defines a JavaScript function with one parameter.
B. It specifies a CSS3 property.
C. It creates an XML element.
D. It locates an HTML5 element by its ID

Answer: D

Explanation:
The #item token in CSS is used to select an HTML element by its ID attribute.
* CSS ID Selector:
* Syntax: The ID selector is prefixed with a hash symbol (#) followed by the ID value of the HTML element.
* Example: If the HTML element has an attribute id="item", it can be selected and styled in CSS as:
width: 300px;
}
* Functionality:
* Selects an Element: The ID selector targets the specific HTML element with the matching id attribute.
* Specificity: ID selectors have high specificity, meaning they will override styles from type selectors and

NEW QUESTION # 116
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?

Answer: C

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 # 117
Given the following code:
```javascript
var a;
```
What is the value of `a`?

A. Undefined
B. True
C. Null
D. False

Answer: A

Explanation:
> "When a variable is declared but not initialized, its value is `undefined` by default in JavaScript."
>
> Example:
```javascript
var a;
console.log(a); // undefined
```
* `null` must be explicitly assigned.
* `true` and `false` are Boolean values not assigned in this declaration.
References:
* MDN Web Docs: undefined
* JavaScript Language Specification: Variable declarations
---

NEW QUESTION # 118
Which History API object is called when a browser window's document history changes?

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

Answer: D

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 # 119
......

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