1. What are the new elements in HTML5?
  2. What is the difference between “container” & “container-fluid” in bootstrap?
  3. How to create multi-column layouts using CSS?
  4. What is the difference “display:none” & “visibility:hidden” in CSS?
  5. What are the new form element types in HTML5?
  6. How would you differentiate “id” and “class” selector in CSS?
  7. How do you indicate the character set being used by an HTML5 document? How does this differ from older HTML standards?
  8. Describe what a “reset” CSS file does and how it’s useful.
  9. What are CSS sprites, and how you would implement them on a page or site?
  10. What are vendor prefixes?
  11. What is z-index attribute and how is it used? What is the default value of z-index?
  12. What are media-queries?
  13. What are the advantages and disadvantages of using a CSS framework such as Bootstrap?
  14. How many H1 tags can you have on a single web page? Does having more than make any difference?
  15. What are the different objects used in JavaScript?
  16. What is “this” keyword in JavaScript?
  17. What is a grid system?
  18. How many different media queries are used by the Bootstrap grid system by default?
  19. What is the use of document object model?
  20. What is the difference between == and === in JavaScript?
  21. Which is the function that is called to validate data in JavaScript?
  22. How do you focus a particular part of the HTML page in JavaScript?
  23. How is everything treated in HTML Document Object Model?
  24. What are regular expressions in JavaScript used for?
  25. What are the set of plug-ins available in jQuery UI?