#introduction
- 1. Javascript is scripting and programming language.
- 2. It is purely object based language.This means that variables, functions, and even primitive data types like numbers and strings are object,everything is object in javascript.
- 3. It is dynamically typed language , it means type of value stored in memory block is checked at runtime because of this nature we can store any type of value in variable.
- 4. It is object oriented programming language , it means we can create our own object. (It is not purely object oriented programming language)
- 5. It is interepreted language
- 6. It is synchronous language , it has single threaded architecture. Instructions get executed line by line.
- 7. It is single call stack
- 8. Mainly introduced to instruct the browser
- 9. Js helps to provide behavior and functionality to webpage and helps to develop dynamic webpage
- 10. Every browser have js engine to run js code. Therefore browser become environment to run js code.
- 11. To run Js code outside browser we just need Javascript runtime environment (Node).
- 12. Js is used to add functionality to website.