After Effects expression elements guide

Use the elements in the following sections along with standard JavaScript elements to write your expressions. Remember that you can also use the Expression language menu at any time to insert functions into an expression. (See Using the Expression language menu.)

See Writing expressions for procedures on using this guide.

Related Subtopics:

Expression elements guide key
Global objects
Vector math methods
Random number methods
Interpolation methods
Color conversion methods
Other math methods
Comp attributes and methods
Footage attributes and methods
Layer sub-objects attributes and methods
Layer general attributes and methods
Layer property attributes and methods
Layer 3D attributes and methods
Layer space transform methods
Camera attributes and methods
Light attributes and methods
Effect attributes and methods
Mask attributes and methods
Property attributes and methods
Key attributes and methods