Infrrd interview question

1. What is HTML/CSS/JS? 2. What are block level and inline elements. 3. HTML5 features? 4. Margin/Padding difference. 5. Ways to apply css on an element? 6. Recursion/DOM in JS? 7. HTML page structure? 8. HTML elements - div/head/body/title/li/ul/ol/p/span/markque? 9. Angular Basics/Router/Modules/Directives/Components? 10. Angular Differential loading ? 11. Angular Testing and test cases? 12. Angular pagination component structure if you build it, how you will build.