Adobe 65009963 Scripting Guide - Page 13

JavaScript Reference, The After Effects Object Model

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JavaScript Reference This chapter lists and describes JavaScript classes, objects, methods, attributes, and global functions defined by After Effects. The After Effects scripting engine supports ExtendScript, Adobe's extended version of JavaScript, which implements the 3rd Edition of the ECMA-262 Standard, including its notational and lexical conventions, types, objects, expressions and statements. For a complete listing of the keywords and operators included with ECMAScript, refer to ECM A-262 .pdf , available at www.ecma-inte rnational.org/publications/standards/ Ecma-262.htm. For an overview of the most common keywords and statements available from ECMA-262, see "JavaScript keywords and statement syntax" on page 9. The After Effects Object Model As you look through this reference section, which is organized alphabetically by object, you can refer to the following diagrams for an overview of where the various objects fall within the hierarchy, and their correspondence to the user interface. APPLICATION SYSTEM FILE FOLDER SOCKET SETTINGS PROJECT RENDER1UEUE RENDER1UEUE)TEMS OUTPUT-ODULES ITEMS ITEMS MAYBEANYOFTHEFOLLOWINGTYPESOFITEM COMP)TEM /2 FOOTAGE)TEM /2 FOLDER)TEM LAYERS PROPERTIES PROXY3OURCE MAIN3OURCE PROXY3OURCE ITEMS MAIN3OURCEPROXY3OURCE MAYBEANYOFTHEFOLLOWINGTYPESOFITEM SOLID3OURCE /2 PLACEHOLDER3OURCE /2 FILE3OURCE COLOR FILE Hierarchy diagram of the main After Effects scripting objects Note that the File, Folder, and Socket objects are defined by ExtendScript, and are documented in the JavaScript Tools Guide. ExtendScript also defines the ScriptUI module, a set of window and user-interface control objects, which are available to After Effects scripts. These are also documented in the JavaScript Tools Guide. The hierarchy of objects in scripting corresponds to the hierarchy in the user interface. 13

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13
JavaScript Reference
This chapter lists and describes JavaScript classes, objects, methods, attributes, and global functions defined by
After Effects.
The After Effects scripting engine supports ExtendScript, Adobe’s extended version of JavaScript, which imple-
ments the 3rd Edition of the ECMA-262 Standard, including its notational and lexical conventions, types,
objects, expressions and statements. For a complete listing of the keywords and operators included with
ECMAScript, refer to
ECMA-262.pdf
, available at
www.ecma-international.org/publications/standards/
Ecma-262.htm
.
For an overview of the most common keywords and statements available from ECMA-262,
see “JavaScript keywords and statement syntax” on page 9.
The After Effects Object Model
As you look through this reference section, which is organized alphabetically by object, you can refer to the
following diagrams for an overview of where the various objects fall within the hierarchy, and their correspon-
dence to the user interface.
Hierarchy diagram of the main After Effects scripting objects
Note that the File, Folder, and Socket objects are defined by ExtendScript, and are documented in the
JavaS-
cript Tools Guide
. ExtendScript also defines the ScriptUI module, a set of window and user-interface control
objects, which are available to After Effects scripts. These are also documented in the
JavaScript Tools Guide
.
The hierarchy of objects in scripting corresponds to the hierarchy in the user interface.