http://rockalabs.com/
LET'S BUILD TOGETHER
LET'S BUILD TOGETHER
What's TypeScript?
Extend modern javascript language, that help you scale your app.
LET'S BUILD TOGETHER
languages and type safety
Tools that give
LET'S BUILD TOGETHER
- If find any bug notify you
- Analyze the code and this one generate Javascript
- The Same project with TS and JS
LET'S BUILD TOGETHER
LET'S BUILD TOGETHER
Basic Types
- number
- string
- boolean
- any
Is a way very generic for define the variables
most strict
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Use Cases
- Value with the same type of variable
- Return Typed in Functions
- Call a Function
- Optional Parameters
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Other Types
- Union
- Enum
- Types in Funcionts
- Objects
are definitions
of concepts
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There are classes in TtypeScript !
Of course
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class User {
constructor (name,age){
this.name = name;
this.age = age;
}
getName(){
return this.name;
}
getAge(){
return this.age;
}
}
let user1 = new User("John",22);
let user2 = new User("Pedro",24);
Classes in ES6
LET'S BUILD TOGETHER
class User {
private name : string;
private age : number;
constructor (name:string,age:number){
this.name = name;
this.age = age;
}
getName(){
return this.name;
}
getAge(){
return this.age;
}
}
let user1 = new User("John",22);
let user2 = new User("Pedro",24);
Classes in TS
LET'S BUILD TOGETHER
http://rockalabs.com
jdmorales092@gmail.com
John Darwin Morales
Frontend Developer
ROCKALABS
Introduction to TypeScript
By John Darwin Morales González
Introduction to TypeScript
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