Intro to javascript (4 week)

Sep 30, 20145 likes1,061 views

This document is an introduction to JavaScript presented by Jamal O'Garro of Code Crew. It covers the basics of JavaScript including data types, operators, variables, functions, objects, and the DOM. It also discusses more advanced topics like object-oriented JavaScript, prototypal inheritance, AJAX, APIs, frameworks, and Node.js. The goal is to provide an overview of the core concepts and capabilities of the JavaScript programming language.

CODE CREW | INTRO TO JAVASCRIPT
INTRO TO
JAVASCRIPT
Jamal O’Garro
Code Crew
Software Engineer + Instructor

CODE CREW | INTRO TO JAVASCRIPT
JAVASCRIPT
• Is a programming language
• Created by Netscape
• Runs in browser & server
• Java is not JavaScript!
• Is actually named
ECMAScript

CODE CREW | INTRO TO JAVASCRIPT
WHAT DOES JAVASCRIPT LOOK LIKE?

CODE CREW | INTRO TO JAVASCRIPT
DATA TYPES

CODE CREW | INTRO TO JAVASCRIPT
LOGICAL OPERATORS

CODE CREW | INTRO TO JAVASCRIPT
VARIABLES

CODE CREW | INTRO TO JAVASCRIPT
UNDEFINED vs. NULL
• Both represent absence of a value
• If a variable has not been initialized it is “undefined”
• Null is used to initialize or empty a variable

CODE CREW | INTRO TO JAVASCRIPT
IF / ELSE STATEMENTS

CODE CREW | INTRO TO JAVASCRIPT
FUNCTIONS

CODE CREW | INTRO TO JAVASCRIPT
MORE ABOUT FUNCTIONS
• Function declarations
• Function expressions
• Functions and scope
• Anonymous functions vs named functions

CODE CREW | INTRO TO JAVASCRIPT
MORE ABOUT OBJECTS
• There are several ways to create objects
• If a variable is part of an object is called a property
• If a function is part of an object it is called a method

CODE CREW | INTRO TO JAVASCRIPT
EXERCISE

CODE CREW | INTRO TO JAVASCRIPT
OBJECT-ORIENTED JAVASCRIPT

CODE CREW | INTRO TO JAVASCRIPT
PROTOTYPAL INHERITANCE
• JavaScript uses objects for inheritance
• Objects are linked to each other by a special
prototype object
• If we create a new instance of an object using a
constructor the new object “inherits” the properties
and methods of the parent

CODE CREW | INTRO TO JAVASCRIPT
CONSTRUCTOR FUNCTIONS
Allow us to create new instances of objects

CODE CREW | INTRO TO JAVASCRIPT
THIS
• When a function is called as a method of an object,
“this” is set to the object the method is called on
• If we use “this” with a constructor function it refers to
the new object being created
• If “this” is called outside of the context of a function it
will refer to the global object

CODE CREW | INTRO TO JAVASCRIPT
DOM SELECTORS
querySelector
querySelectorAll
getElementById
getElementsByTagName
getElementsByClassName

CODE CREW | INTRO TO JAVASCRIPT
EVENTS
onclick
onfocus
onblur
onmouseover
onload

jQUERY SELECTOR
$
CODE CREW | INTRO TO JAVASCRIPT

jQUERY EVENTS
click
focus
blur
hover
load
CODE CREW | INTRO TO JAVASCRIPT

CODE CREW | INTRO TO JAVASCRIPT
AJAX
Allows us to dynamically update a web page without
having to reload the entire page

CODE CREW | INTRO TO JAVASCRIPT
JAVASCRIPT FRAMEWORKS

CODE CREW | INTRO TO JAVASCRIPT
THANKS MUCH!!!
Jamal O’Garro
Code Crew
Software Engineer + Instructor

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Using TypeScript with AngularJamal Sinclair O'Garro

This document discusses using TypeScript with AngularJS. It begins with an introduction to TypeScript, covering its goals of statically identifying errors and organizing large codebases. It then reviews AngularJS's philosophy and architecture, including its use of MVVM pattern, dependency injection, and services. The document demonstrates building a sample app with TypeScript and AngularJS and notes lessons learned, such as TypeScript slowing initial development but reducing bugs. It concludes by discussing TypeScript and AngularJS's future integration.

Intro to UI-Router/TypeScriptJamal Sinclair O'Garro

This document summarizes an introduction to UI-Router and TypeScript presentation. The presentation covers UI-Router, a routing framework for AngularJS that allows for multiple views and a state machine-based approach. It also discusses TypeScript, a superset of JavaScript that provides strong typing and other features. The presentation shows code examples and provides resources for learning more about UI-Router and TypeScript.

Intro to Node.jsJamal Sinclair O'Garro

This document provides an overview and roadmap for an introductory course on Node.js. The course will cover Node basics, building web servers with Express.js, using MongoDB and Mongoose for the database, and building both simple and more complex applications. Expectations are a familiarity with JavaScript, databases, and basic web development principles. Asynchronous programming and the event loop model will also be discussed.

Intro to iOS DevelopmentJamal Sinclair O'Garro

This document provides an overview of iOS development, covering the history of iOS, the core technologies involved like Objective-C and Swift, the Xcode integrated development environment, and the different layers that make up the iOS software stack like Cocoa Touch and Core OS. It outlines the course roadmap and requirements for building iOS apps, and demonstrates how to get started with the development process through Apple's tutorials and resources.

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Intro to Ruby on RailsJamal Sinclair O'Garro

This document outlines an intro to Ruby on Rails class presented by Jamal O'Garro of Code Crew. The class roadmap covers Ruby basics, Rails architecture using the MVC framework, building an app from scratch, ActiveRecord, and deployment. It also provides overviews of Ruby syntax like strings, numbers, operators, variables, flow control, and collections. The document explains Rails concepts such as the anatomy of a Rails app, the Bundler gem manager, asset pipeline, MVC pattern, router, REST, and CRUD.

Intro to HTML + CSSJamal Sinclair O'Garro

Intro to ProgrammingJamal Sinclair O'Garro

This document is an introduction to programming with JavaScript. It discusses what programming is, how to communicate with computers using programming languages like JavaScript, and what makes a good programmer. It also provides an overview of common JavaScript programming concepts like variables, data types, logical operators, conditionals, functions, and objects. The document encourages learners to continue learning programming through books, meetups and practice, and provides some resources for doing so.

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The Ten Code CommandmentsJamal Sinclair O'Garro

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Intro to UI-Router/TypeScriptJamal Sinclair O'Garro

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Intro to javascript (4 week)

1. CODE CREW | INTRO TO JAVASCRIPT INTRO TO JAVASCRIPT Jamal O’Garro Code Crew Software Engineer + Instructor

2. CODE CREW | INTRO TO JAVASCRIPT JAVASCRIPT • Is a programming language • Created by Netscape • Runs in browser & server • Java is not JavaScript! • Is actually named ECMAScript

3. CODE CREW | INTRO TO JAVASCRIPT WHAT DOES JAVASCRIPT LOOK LIKE?

4. CODE CREW | INTRO TO JAVASCRIPT DATA TYPES

5. CODE CREW | INTRO TO JAVASCRIPT LOGICAL OPERATORS

6. CODE CREW | INTRO TO JAVASCRIPT VARIABLES

7. CODE CREW | INTRO TO JAVASCRIPT UNDEFINED vs. NULL • Both represent absence of a value • If a variable has not been initialized it is “undefined” • Null is used to initialize or empty a variable

8. CODE CREW | INTRO TO JAVASCRIPT IF / ELSE STATEMENTS

9. CODE CREW | INTRO TO JAVASCRIPT ARRAYS

10. CODE CREW | INTRO TO JAVASCRIPT LOOPS

11. CODE CREW | INTRO TO JAVASCRIPT FUNCTIONS

12. CODE CREW | INTRO TO JAVASCRIPT MORE ABOUT FUNCTIONS • Function declarations • Function expressions • Functions and scope • Anonymous functions vs named functions

13. CODE CREW | INTRO TO JAVASCRIPT OBJECTS

14. CODE CREW | INTRO TO JAVASCRIPT MORE ABOUT OBJECTS • There are several ways to create objects • If a variable is part of an object is called a property • If a function is part of an object it is called a method

15. CODE CREW | INTRO TO JAVASCRIPT EXERCISE

16. CODE CREW | INTRO TO JAVASCRIPT OBJECT-ORIENTED JAVASCRIPT

17. CODE CREW | INTRO TO JAVASCRIPT PROTOTYPAL INHERITANCE • JavaScript uses objects for inheritance • Objects are linked to each other by a special prototype object • If we create a new instance of an object using a constructor the new object “inherits” the properties and methods of the parent

18. CODE CREW | INTRO TO JAVASCRIPT CONSTRUCTOR FUNCTIONS Allow us to create new instances of objects

19. CODE CREW | INTRO TO JAVASCRIPT THIS • When a function is called as a method of an object, “this” is set to the object the method is called on • If we use “this” with a constructor function it refers to the new object being created • If “this” is called outside of the context of a function it will refer to the global object

20. CODE CREW | INTRO TO JAVASCRIPT THE DOM

21. CODE CREW | INTRO TO JAVASCRIPT DOM SELECTORS querySelector querySelectorAll getElementById getElementsByTagName getElementsByClassName

22. CODE CREW | INTRO TO JAVASCRIPT EVENTS onclick onfocus onblur onmouseover onload

23. CODE CREW | INTRO TO JAVASCRIPT jQUERY

24. jQUERY SELECTOR $ CODE CREW | INTRO TO JAVASCRIPT

25. jQUERY EVENTS click focus blur hover load CODE CREW | INTRO TO JAVASCRIPT

26. CODE CREW | INTRO TO JAVASCRIPT AJAX Allows us to dynamically update a web page without having to reload the entire page

27. CODE CREW | INTRO TO JAVASCRIPT APIs

28. CODE CREW | INTRO TO JAVASCRIPT JAVASCRIPT FRAMEWORKS

29. CODE CREW | INTRO TO JAVASCRIPT NODE.js

30. CODE CREW | INTRO TO JAVASCRIPT THANKS MUCH!!! Jamal O’Garro Code Crew Software Engineer + Instructor

Intro to javascript (4 week)

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