1. What is Vue.js?
2. Who developed Vue.js?
3. What is Vue.js mainly used for?
4. Which of the following is a core feature of Vue.js?
5. Which templating syntax does Vue.js use?
6. What does the term "reactive" mean in the context of Vue.js?
7. Which command is used to install Vue CLI globally?
8. What is the name of the official Vue.js devtools browser extension for debugging Vue applications?
9. In Vue.js, what is the main building block of an application's UI?