HTML Interview Questions and Answers

1. What is HTML?

2. What are HTML tags?

3. What is the basic structure of an HTML document?

4. What is the difference between an element and a tag in HTML?

5. What are attributes in HTML?

6. How do you create a hyperlink in HTML?

7. What is the purpose of the <img> tag in HTML?

8. What is the difference between block-level and inline elements in HTML?

9. How do you create a list in HTML?

10. What is the <form> tag used for in HTML?


CSS Interview Questions and Answers

1. What is CSS?

2. Why do we use CSS?

3. What are the advantages of CSS?

4. What are the disadvantages of CSS?

5. What is the current version of CSS?

6. Suggest Some Best CSS Frameworks?

7. What is the syntax for CSS?

8. What are the different ways to apply CSS to a webpage?

9. Which type of CSS holds the highest priority?

10. What are CSS Selectors?


JavaScript Interview Questions and Answers

1. What are Data Types in JavaScript?

2. What is the latest version of JavaScript?

3. What would be the result of 3+2+"7"?

4. What is the use of the isNaN function?

5. What is negative infinity?

6. Does JavaScript support automatic type conversion?

7. What are global variables? How are these variables declared, and what are the problems associated with them?

8. What are undeclared and undefined variables?

9. Write a JavaScript code for adding new elements dynamically.

10. How to submit a form using JavaScript?