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JavaScript The prototype Property Thursday, November 1, 12

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Brief What’s OOP? JavaScript OOP Prototype Inheritance Thursday, November 1, 12

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What’s OOP? Introducir a OOP Presentar el vocabulario Thursday, November 1, 12

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Object Oriented Programming Thursday, November 1, 12

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Programming paradigm Thursday, November 1, 12

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Data abstraction Encapsulation Messaging Modularity Polymorphism Inheritance Thursday, November 1, 12

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Use object based on the real world Thursday, November 1, 12

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Class vs Object Thursday, November 1, 12

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Class A Class defines Objects Properties An object characteristic, such as color Methods An object capability, such as walk Thursday, November 1, 12

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Objects A instance of a Class Share properties and behavior Unique Thursday, November 1, 12

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Class Thursday, November 1, 12

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Class Object1 Thursday, November 1, 12

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Class Object1 Object2 Thursday, November 1, 12

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Class Object1 Object2 Object3 Thursday, November 1, 12

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Exercise Thursday, November 1, 12

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JavaScript OOP Aplicar JavaScript OOP Thursday, November 1, 12

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JavaScript is a prototypal language Thursday, November 1, 12

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Prototype-based programming Class free Classes are not present Not Object Oriented Everything is public Objects inherits from another objects Thursday, November 1, 12

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Objects in JavaScript Thursday, November 1, 12

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Everything is an object Thursday, November 1, 12

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Everything is an object Arrays Thursday, November 1, 12

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Everything is an object Arrays Dates Thursday, November 1, 12

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Everything is an object Arrays Objects Dates Thursday, November 1, 12

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Everything is an object Arrays Objects Dates Strings Thursday, November 1, 12

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Everything is an object Arrays Objects Numbers Dates Strings Thursday, November 1, 12

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They have methods and properties Thursday, November 1, 12

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Custom Objects Thursday, November 1, 12

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Not reuse Thursday, November 1, 12

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Not reuse Unique Thursday, November 1, 12

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Not reuse Unique Singleton Pattern Thursday, November 1, 12

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Exercise Thursday, November 1, 12

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Constructors Thursday, November 1, 12

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Constructor Functions Classes Create diferents instances ==> Objects Use new operator Accepts parameters Returns an instance ==> Object Thursday, November 1, 12

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Constructor Has properties and methods length constructor apply() call() prototype Thursday, November 1, 12

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Prototype Thursday, November 1, 12

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Prototype A property Defines properties and methods to all instances Works with new operator Stored in the memory once Contain an Object initial value === empty Object === {} Thursday, November 1, 12

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Inheritance Thursday, November 1, 12

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Inheritance A new “class” is created from another “class” Extends functionality Defines new attributes and methods A way to reuse code All Object inherit from Object.prototype 12+ ways to inherits in JS Thursday, November 1, 12

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Prototype Chaining Pseudo-clasical Thursday, November 1, 12

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Inherited Thursday, November 1, 12

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Inherited Thursday, November 1, 12

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Own Thursday, November 1, 12

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The End Thursday, November 1, 12