ActionScript 3 Lessons

These course is free and helps you to learn AS3 (ActionScript 3.0) programming language starting from the beginner level.
- These introductory Lessons in ActionScript 3.0 are a continuation of the Flash lessons section, where there are already presented the tools and basic element which must be known to create Flash documents, and also to use AS3 scripts.

Introduction to ActionScript 3
- Introduction to ActionScript 3, scripting language for Flash presentations, Actions panel, ActionScript programming
A simple script ActionScript 3
- Create a simple script with ActionScript 3 code, add a text and a square in a Flash presentation with AS3
Understanding OOP - Object Oriented Programming
- Understanding OOP, Object Oriented Programming, properties, methods and events in ActionScript 3
Variables, Comments and trace()
- How to define a variable in ActionScript 3, variable types, comments in code, trace() function
Constants and Operators
- How to define Constants in ActionScript, logical and arithmetic operators, equality and relational operators
Conditional Statements if, else, switch
- Conditional Statements if, else, switch. Using conditionals and logical operators
For loops in ActionScript
- Tutorial for loops in ActionScript, for..in, for each..in, break instruction
While and Do While
- While and Do While loops, execute an action multiple times, ActionScript course
Break and Continue
- Break and Continue, ends the execution of a loop instruction, or skip the current iteration
Creating Functions in ActionScript
- Creating and using functions in ActionScript, calling functions, parameters, return statement, data type
Functions - Advanced Use
- Functions - Advanced Use, working with functions, variables, default parameters, recursive function
String Object
- Working with String Object, properties and methods of the String object, escaped characters
Numbers and Math in ActionScript 3
- Working with Numbers and Math in ActionScript 3, methods and constants of the Number object and Math class
Date and Time in ActionScript 3
- ActionScript 3 Date object, set and get time values. Properties and methods of the Date object
Arrays in ActionScript 3
- Use Arrays to store multiple values in a variable in ActionScript, accessing array elements
Traverse Arrays - Multi-dimensional Array
- Traversing Arrays with for(), while(), for each..in, access array elements. Multi-dimensional, nested Array
Associative Arrays in ActionScript
- Associative Arrays, Traverse associative Array with for..in and for each..in loop
Code Snippets - Add and Create
- Code Snippets, using predefined codes, add and create reusable pieces of code in ActionScript
Detecting events in ActionScript 3
- ActionScript 3 events, addEventListener. Detecting, recognition and deleting events. Priority of event capture
MouseEvent - Events for Mouse
- Detect and capture Mouse Events, MouseEvent object, get the mouse coordinates
KeyboardEvent - Events for Keyboard
- Detect and capture Keyboard events, KeyboardEvent object. Example of using arrow keys to move objects
Adding text with ActionScript 3
- Adding text with ActionScript 3, FormatText, adding text with HTML tags and CSS styles
Input text fields
- Creating Input text fields, using TextEvent and FocusEvent, FOCUS_IN, FOCUS_OUT
addChild and removeChild
- addChild and removeChild methods in ActionScript 3, removeChildAt, getChildByName
OOP - Classes and objects - Create Class
- OOP define Classes in ActionScript 3, package, constructor and accessor. Create instances, class objects
Classes - Static Elements
- Classes - Static Elements, how to create static properties, methods and constants in a class
Inheritance - Parent class and Child class
- Using classes and inheritance, extends classes, create child class to extend a parent class
Classes - Interface in ActionScript 3
- Interface Classes in ActionScript 3, how to implement and use an interface
Creating objects in ActionScript
- Use the Object class to create objects in ActionScript, define properties and methods
Nested Objects - Traverse object
- Nested Objects in ActionScript 3, Traverse object with for..in and for each..in loop
Working with objects from Library in AS3
- Working with objects from Library in ActionScript, classes and instances in AS3 of the elements in Library
Creating new events
- How to create new events in ActionScript 3, custom events, with the EventDispatcher class
Creating XML data - E4X in ActionScript 3
- Creating XML data with E4X in ActionScript 3, various ways to create XML format, XML methods
Accesing XML data - E4X
- Accesing XML data with E4X and XMLList methods, Using the descendant accessor, Filtering XML Data
Loading XML Data, Traversing XML Trees
- Loading XML Data from external file, Traversing XML Trees with for each..in loop
Editing, Changing XML - E4X
- Editing data in a XML object, change, delete elements and attributes using E4X functions
Working with XML Namespaces in ActionScript
- Working with XML Namespaces in ActionScript 3, E4X functions for namespaces, using the double colon
RegExp - Regular Expressions in ActionScript
- RegExp, Regular Expressions in ActionScript, RegExp and String class methods for regular expressions
Animation with the Timer class
- Animation with ActionScript, using the Timer class, TimerEvent events, TIMER, TIMER_COMPLETE

Daily Test with Code Example

HTML

CSS

JavaScript

PHP-MySQL

Which meta tag provides a short description of the page?

<meta name="description" content="70-160 characters that describes the content of the page" />

Which CSS property is used to stop the wrapping effect of the "float"?

clear text-align position

#some_id {
  clear: both;
}

Click on the method which gets an array with all the elements in the document that have a specified tag name.

getElementsByName() getElementById() getElementsByTagName()

var divs = document.getElementsByTagName("div");
var nr_divs = divs.length;
alert(nr_divs);

Indicate the PHP function which returns the number of elements in array.

is_[) count() strlen()

$arr =[7, 8, "abc", 10);
$nri = count($arr);
echo $nri;        // 4

ActionScript 3 Lessons

Actionscript Course

Daily Test with Code Example

HTML

CSS

JavaScript

PHP-MySQL

Last accessed pages

Popular pages this month