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A Peek into the AS3 and AVM2 Virtual Machine and ‘Elastic Racetrack’

Sean Christmann has a nice post on the AS3 AVM 2 ‘Elastic Racetrack’ cycles or virtual machine tick that runs an ES4 based javascript version of actionscript which we all know and love. The post has some info on how the AVM2 cycles run and can provide benefits to understanding frame rates and how execution is divided between script and render as well as player code from user code.

This entry was posted on Tuesday, April 22nd, 2008 at 6:23 pm and is filed under ACTIONSCRIPT, ACTIONSCRIPT3, APPLICATIONS, ARCHITECT, AS3, DEBUGGING, DEVELOPMENT, ENGINE, FLASH, FLEX, GAMEDEV, PERFORMANCE, PROGRAMMING, RENDERING, STANDARDS, TECHNOLOGY, VIRTUAL MACHINES, VISUALIZATION. You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.

“javascript version of actionscript” ??? there is no such thing as “javascript version of actionscript”. there is JavaScript and there is ActionScript that both comes out of ECMAScript…

Posted by Skitsanos April 26th, 2008 at 5:11 am
Yeh just like I said “ES4 based javascript version of actionscript ”

Action script is based on Javascript and as3 is based on ES4 javascript. When ES4 javascript makes it into the browser it is essentially the same as actionscript (minus the flash object model).

So yes, actionscript is a version of javascript. An early version of ES4 in as3.

Posted by drawk April 26th, 2008 at 1:07 pm
probably would have been better stated like this “ES4 javascript based version of actionscript”.

Posted by drawk April 26th, 2008 at 1:09 pm