What is the purpose of using global variables in CSS?
A). To store values that can be reused throughout a CSS stylesheet
B). To restrict the scope of variables within specific CSS rules
C). To override default browser styles
D). To prevent conflicts between CSS selectors
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 ensure that a global variable defined in an external JavaScript file is accessible within an HTML document?
A). By linking the external JavaScript file using the <link> element
B). By using the import statement to import the variable from the external file
C). By using the defer attribute in the <script> tag that links the external file
D). By using the <script> tag to link the external JavaScript file
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
What is the correct syntax for defining a global variable in HTML using the <script> element?
A). <script globalVar='value'>
B). <script var='globalVar' value='value'>
C). <script global var='globalVar' value='value'> </script>
D). <script global='globalVar' value='value'> </script>
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>
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
Which HTML element is commonly used to define global variables in HTML?
A). <div>
B). <variable>
C). <script>
D). <global>
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
How can you access a global data attribute defined in an HTML element using JavaScript?
A). By using the getAttribute() method
B). By using the data() method
C). By using the setDataAttribute() method
D). By using the getGlobalAttribute() method