", "text": "The output will be 'Hello' because globalVar is declared as a global variable inside the
Q
What is the output of the following HTML code snippet? <br> <br> <script> <br>var globalVar = 'Hello'; <br>console.log(globalVar); <br> </script>

Answer & Solution

Answer: Option A
Solution:
The output will be 'Hello' because globalVar is declared as a global variable inside the <script> element and is accessible within the script, printing 'Hello' when using console.log.
Related Questions on Average

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 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 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>

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 store and access global data attributes in HTML?

A). <form>

B). <body>

C). <head>

D). <html>

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

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 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');

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