Answer & Solution
<script> element in HTML is used to delay the loading and execution of the script until after the HTML content is parsed, ensuring that global variables are defined before the script runs.
<script> element in HTML?
<script> element in HTML is used to delay the loading and execution of the script until after the HTML content is parsed, ensuring that global variables are defined before the script runs.
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()
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
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
What is the correct syntax for accessing a global data attribute named 'global-var' from an HTML element with the ID 'myElement' using JavaScript?
A). document.querySelector('#myElement').getAttribute('data-global-var');
B). document.getElementById('myElement').getAttribute('global-var');
C). document.getElementById('myElement').getAttribute('data-global-var');
D). document.querySelector('#myElement').getAttribute('global-var');
Which HTML element is commonly used to store and access global data attributes in HTML?
A). <form>
B). <body>
C). <head>
D). <html>
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 HTML element is commonly used to define global variables in HTML?
A). <div>
B). <variable>
C). <script>
D). <global>