Similarities and dissimilarities of AS2.0 and AS3.0

Dissimilarities with AS2

AS3 is located in Class files or in the Time line.

Object oriented.

Data loading changed.

Data control feature.

Text control

In AS3 Action Scripts can’t is added directly to a movie clips or button instances.

The way of Triggering events has also been changed in AS3.

XML files are handled differently

Namespaces use in projects

Drawing with shape class

Can be extended with external Action Script libraries

AS3 also can be extended using C/C++

Similarities with AS2

Working procedure with Variables

Working process with Math object

If/Else Statements logic and structure

Switch Statements logic and structure

Use of String

Date to control the use of date and time

Array to build a structured collection of data

Boolean to specify a true or false

Variable names are still case sensitive can’t start with number