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 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 HTML element is commonly used to define global variables in HTML?
A). <div>
B). <variable>
C). <script>
D). <global>
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 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
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
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 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
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 attribute is used to declare a global variable inside a <script>
element in HTML?
A). data-global
B). global
C). globalvar
D). name