You don’t even need to know much about expressions to harness their power! The resources on this page give you that base-level knowledge to get you comfortably started using and programming.Īn expression is a little piece of software - much like a script - that evaluates to a single value for a single layer property at a specific point in time. It can potentially save you loads of time and make your life easier. To put it simply, Expressions allow users to create more complex animations and take care of repetitive tasks like looping animations. In other words, Expressions are snippets of code that can be added to the timeline in After Effects and helps you to work more efficiently. Based on Javascript, Expression Language is the scripting language of After Effects for automating animation in After Effects.
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