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Introduction to JavaScript. OOP in JavaScript презентация
Содержание
- 1. Introduction to JavaScript. OOP in JavaScript
- 2. OOP, What is it? Something about objects and classes Encapsulation Polymorphism Abstraction Inheritance
- 3. Why do we need it? Computer doesn’t
- 4. More about programming paradigms Imperative Functional Logic programming Declarative
- 5. Web application in general Runs in browser Requires client-server communication Interactivity No complex computing
- 6. Let’s talk about JavaScript No Classes Everything but primitives is an object
- 7. JS Data Types
- 8. Aliases
- 9. First-class function
- 10. How to get a class
- 11. What about other OOP concepts? Encapsulation
- 12. Scope
- 13. More about closure (A Counter Dilemma)
- 14. Inheritance prototype Anything wrong with this? “Mammal” is not a “class”
- 15. Use prototype properly
- 16. What is “this”?
- 17. "apply" and "call" methods
- 18. Software design pattern They're not supposed to
- 19. Types of patterns
- 20. Singleton
- 21. Module
- 22. Mediator
- 23. Conclusions Everything including functions is variable Everything
- 24. Home work
- 25. Sergey Lozhechnikov Web Developer Principal s.lozhechnikov@astoundcommerce.com
OOP, What is it? Something about objects and classes Encapsulation Polymorphism Abstraction Inheritance
Слайд 2OOP, What is it?
Something about objects and classes
Encapsulation
Polymorphism
Abstraction
Inheritance
Слайд 3Why do we need it?
Computer doesn’t care how elegant your code
is, people do.
Creating of models works better if you have right amount of right abstractions.
Any statement which may have only one meaning within its context can be used as a piece of program code.
Слайд 5Web application in general
Runs in browser
Requires client-server communication
Interactivity
No complex computing
Слайд 18Software design pattern
They're not supposed to make your life more difficult
They're not a panacea
Слайд 23Conclusions
Everything including functions is variable
Everything but primitives is object
Primitive variables are
variables object variables are aliases
Function called with new turns out to class constructor
prototype can be used for defining class methods and properties
Use closure for encapsulation
Don’t forget about context
Слайд 25Sergey Lozhechnikov
Web Developer Principal
s.lozhechnikov@astoundcommerce.com
Astound Commerce s.r.o.
Kosice, 2015
Thanks for the attention
