Answer & Solution
<script> element from another <script> element by using the window object to access the global variable declared in the first script element.
<script> element from another <script> element in HTML?
<script> element from another <script> element by using the window object to access the global variable declared in the first script element.
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>
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
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 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
Which HTML element is commonly used to store and access global data attributes in HTML?
A). <form>
B). <body>
C). <head>
D). <html>
Which HTML element is commonly used to define global variables in HTML?
A). <div>
B). <variable>
C). <script>
D). <global>
Which CSS function is used to access the value of a global variable defined in HTML?
A). var()
B). global()
C). getGlobalVar()
D). accessGlobal()
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
What is the purpose of using global variables in HTML?
A). To store data temporarily within a specific HTML element
B). To store data that needs to be shared and accessed across different parts of an HTML document
C). To restrict access to variables within a specific HTML element
D). To prevent accidental modification of variables