ActionScript 3.0
Period : 2006–today ActionScript 3.0 released in 2006. Its corresponding player is Flash Player 9. It debuted with Adobe Flex 2.0. ActionScript 3.0 added support to DiretX and OpenGL.
This language include features
Compile-time and run-time type checking
Improve prototype-based inheritance to class-based inheritance.
Packages, namespaces and regular expressions are supported.
Flash Player API converted to packages.
DOM event handling standard.
XML processing support.
Control Flash runtime display
ECMAScript is completely implemented
Advantages of ActionScript 3.0
1. ActionScript 3.0 is designed to facilitate the creation of highly complex applications with large data sets and object-oriented.
2. It reuse codes.
3. It has AVM2 to run those script that is able to run in Flash 9.
4. 10 time faster than ActionScript 2.0.
5. Flash platformis ubiquitous, It is the de-facto standard for sites that are heavy with animation and transitions.
6. Need not additional plug-in to playback audio and video .
7. ActionScript 3 has two kinds of features: language features and Flash Player API features.
8. ActionScript 3.0 contains a flash.text package for all text-related APIs.
9. The DOM3 event model gives you a standard way of generating and handling event messages, which helps in better communication and interaction between objects.
Dis-Advantages of ActionScript 3.0
ActionScript is still a nightmare for SEO
Very much up for debage of accessibilities.
Mobile phones and games may not viewable
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Advantages of ActionScript 3 over ActionScript 2
- To improve performance a new ActionScript Virtual Machine (AVM2) is set.
- This AVM2 provide significantly improve performance.
- It has modern compiler than previous version.
- Its API has been expanded and improved.
- Its API is low-level control of objects.
- Its API is a ture object-oriented model.
- API support XML.
- Its DOM is event model based and Level 3 Event Specification.
- An event model based on the Document Object Model (DOM) Level 3 Events Specification
