<body> element is commonly used to store and access global data attributes in HTML, allowing data to be shared and accessed across different parts of the HTML document.
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
Which HTML element is commonly used to define global variables in HTML?
A). <div>
B). <variable>
C). <script>
D). <global>
What is the output of the following HTML code snippet? <br> <br> <script> <br>var globalVar = 'Hello'; <br>console.log(globalVar); <br> </script>
A). Hello
B). Undefined
C). Error
D). 'Hello'
Which CSS function is used to access the value of a global variable defined in HTML?
A). var()
B). global()
C). getGlobalVar()
D). accessGlobal()
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 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 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 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 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 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