js

Question 1

Features of javascript

Answer 1

1. it is a combination of object oriented it is a combination of object oriented and structural programming And structural programming
2. It is client and server based programming
3. Client validation can be done without interaction with the server
4. Multi threading is not supported
5. It is not secure like Java
6. So it is not usedFor business enterprises
7. Used to build dynamic web pages
8. With the var keyword Data types are declared dynamically
9. Interpreted
10. Multiple inheritance is not supported

Question 2

Advantages and disadvantages

Answer 2

adv:
1. Dynamic
2. Client server application
3. Client validation is done without interaction with server
4. GUI interface can be used easily
5. Begin easily drag and drop the Components

disadv:
1. Multi threading is not supported
2. Multiple inheritance is not supported
3. Interpreted not compiled so no errors will be displayed
4. Not secure

Question 3

History of javascript

Answer 3

Introduced by Eedson elith In 1995
He is the team manager of Netscape
first named as live script later as javascript

Question 4

Difference between Java and javascript

Answer 4

1. Oops and oops plus structural
2. jvm No jvm
3. Compilation no compilation
4. Multi threading And no multiplied body tech headache external file script empathy scripture
5. Secure not secure
6. Portable not portable
7. Platform independent platform dependent
8. Web pages and enterprises only web pages