<script> element have global scope, meaning they are accessible throughout the entire HTML document, including within other script elements and HTML elements.
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
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
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
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
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
How can you mitigate the risk of naming conflicts when using global variables within HTML documents?
A). By using unique and descriptive names for global variables
B). By using shorter variable names
C). By using the global attribute to specify global variables
D). By using the namespace attribute to define variable namespaces
Which CSS function is used to access the value of a global variable defined in HTML?
A). var()
B). global()
C). getGlobalVar()
D). accessGlobal()
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
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 attribute is used to declare a global variable inside a <script> element in HTML?
A). data-global
B). global
C). globalvar
D). name