Q
How can you mitigate the risk of naming conflicts when using global variables within HTML documents?

Answer & Solution

Answer: Option A
Solution:
To mitigate the risk of naming conflicts when using global variables within HTML documents, it's important to use unique and descriptive names for global variables, reducing the chances of accidental variable overwriting.
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 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 data attribute defined in an HTML element using JavaScript?

A). By using the getAttribute() method

B). By using the data() method

C). By using the setDataAttribute() method

D). By using the getGlobalAttribute() method

Which CSS function is used to access the value of a global variable defined in HTML?

A). var()

B). global()

C). getGlobalVar()

D). accessGlobal()

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 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');

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 HTML element is commonly used to define global variables in HTML?

A). <div>

B). <variable>

C). <script>

D). <global>

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 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