Test Web-Development-Applications Topics Pdf, Test Web-Development-Applications Tutorials

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WGU Web Development Applications Sample Questions (Q44-Q49):

NEW QUESTION # 44
Which characters are used to enclose multiple statement in a function?

A. Semicotons
B. Parentheses
C. Curly braces
D. Spaces

Answer: C

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 # 45
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: D

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 # 46
A web designer creates the following HTML code:

Which CSS selector applies only to the first line?

A. #Welcome
B. #Header
C. .Welcome
D. .header

Answer: A

Explanation:
To apply CSS only to the first line of a particular HTML element, the ID selector #Welcome should be used as per the given HTML structure.
* CSS ID Selector: The ID selector is used to style the element with a specific id.
* Usage Example:
#Welcome {
color: red;
}
In this example, the #Welcome selector will apply the red color style only to the element with id="Welcome".
References:
* MDN Web Docs on ID Selectors
* W3C CSS Specification on Selectors

NEW QUESTION # 47
Which markup ensures that the data entered are either a five-digit zip code or an empty string?

A. Input class ='' (0-9) (5)''>
B. Input required min=''s'' max=''s''
C. <input type=''number'' value=''s''
D. <input pattern=/d(5)''>

Answer: D

Explanation:
The pattern attribute in the <input> element is used to define a regular expression that the input value must match for it to be valid. The pattern d{5} ensures that the data entered is either a five-digit zip code or an empty string (if the required attribute is not used).
* Pattern Explanation:
* d{5}: Matches exactly five digits.
* This ensures that only a five-digit number or an empty string (if not required) is valid.
* Usage Example:
<input type="text" pattern="d{5}" placeholder="Enter a 5-digit zip code"> This ensures that the input matches a five-digit zip code.
References:
* MDN Web Docs on pattern
* Regular Expressions Documentation

NEW QUESTION # 48
A javaScript programmer defines the following function:

What is the name of the function?

A. Number
B. square
C. Function
D. Return

Answer: B

Explanation:
In JavaScript, the name of a function is defined after the function keyword and before the parentheses that enclose its parameters.
* Function Name: The function name is the identifier used to call the function. It is defined immediately after the function keyword.
* Usage Example:
function square(number) {
return number * number;
}
In this example, the name of the function is square.
References:
* MDN Web Docs on Functions
* ECMAScript Language Specification

NEW QUESTION # 49
......

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Test Web-Development-Applications Topics Pdf, Test Web-Development-Applications Tutorials

Test Web-Development-Applications Tutorials - Web-Development-Applications Examinations Actual Questions

WGU Web Development Applications Sample Questions (Q44-Q49):

Best WGU Test Web-Development-Applications Topics Pdf Help You Pass Your WGU WGU Web Development Applications Exam From The First Try

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