Q
Which CSS function is used to access the value of a global variable defined in HTML?

Answer & Solution

Answer: Option A
Solution:
The var() function is used in CSS to access the value of a global variable defined in HTML, allowing the variable's value to be used as a property value within CSS rules.
Related Questions on Average

What is the purpose of using global variables within HTML elements using custom data attributes?

A). To store and retrieve data specific to each HTML element

B). To restrict access to data within specific HTML elements

C). To create variables with limited scope within HTML elements

D). To avoid using JavaScript for data manipulation

What is the purpose of using the defer attribute in a <script> element in HTML?

A). To delay the loading of the script until after the HTML content is parsed

B). To prevent the script from executing unless triggered manually

C). To execute the script asynchronously

D). To specify the script's global variables

What is a global variable in HTML?

A). A variable declared inside a function

B). A variable declared outside of any function or block

C). A variable declared within an HTML element

D). A variable declared with the global attribute

Which statement accurately describes the scope of global variables declared in HTML?

A). Global variables are accessible only within the <script> element where they are declared

B). Global variables are accessible only within the <body> element where they are declared

C). Global variables are accessible throughout the entire HTML document

D). Global variables are accessible only within the <head> element where they are declared

Which of the following best describes the relationship between global variables in HTML and CSS?

A). Global variables in HTML can be accessed directly within CSS using custom CSS properties

B). Global variables in HTML must be converted to CSS variables before they can be used in CSS

C). Global variables in HTML and CSS are unrelated and cannot interact with each other

D). Global variables in HTML can only be accessed within the HTML document and cannot be used in CSS

Which attribute is used to declare a global variable inside a <script> element in HTML?

A). data-global

B). global

C). globalvar

D). name

How can you access a global variable defined in one <script> element from another <script> element in HTML?

A). By using the global attribute on both elements

B). By using the var keyword to declare the variable as global

C). By using the window object to access the global variable declared in the first script element

D). By using the <global> element to link the variables

Which HTML element is commonly used to define global variables in HTML?

A). <div>

B). <variable>

C). <script>

D). <global>

Which of the following is a potential disadvantage of using global variables extensively within HTML documents?

A). Increased risk of naming conflicts and data pollution

B). Improved data organization and accessibility

C). Reduced dependency on JavaScript

D). Improved performance and efficiency

How can you declare a global variable in HTML using the data-* attribute within an HTML element?

A). <div data-global-var='value'> </div>

B). <div global-var='value'> </div>

C). <div data='global-var: value'> </div>

D). <div global data-var='value'> </div>