HTML Dot Com

UI Developer Interview Questions (2017):
(Part 1)

1. What is difference between PX(pixel) and Em ?
2. What is Javascript closure ?
3. What is jquery chaning?
4. What is callback function in jquery?
5. What is gutter in bootstrap ?
6. Diff between on() , bind(), delegate() method in jquery ?
7. How can we add and remove data from local storage? Explain with example.
8. What is grouping and what is it used for?
9.How to stop event propagation with inline onclick attribute?