Animating Child Elements with AnimateChildOptions Interface

Primary entry point exports

Structures - AnimateChildOptions

The "AnimateChildOptions" interface is an extension of the AnimationOptions interface and aims to add duration options to control the styling and timing of animations for a specific child element. Let's analyze each part of the provided code to understand its functionality.


Interface Extension:

AnimateChildOptions extends the AnimationOptions interface. This means that AnimateChildOptions inherits all properties from the AnimationOptions interface and adds new properties specific to controlling animations for child elements.

Properties of the AnimateChildOptions Interface:

    - duration?: number | string: This property allows specifying the duration of the animation for the child element. The duration can be provided as a number (representing milliseconds) or as a string with a time unit, such as "2s" for 2 seconds.

Inherited Properties from the AnimationOptions Interface:

    - delay?: number | string: This property indicates a delay before the animation starts. It can be a number (representing milliseconds) or a string with a time unit.
    - params?: {...}: This property represents additional parameters that may be specific to the animation engine used. The exact structure of the parameters will depend on the animation context.

Related Method:

    - animateChild: The comment "See also animateChild" suggests that there is a method or function called animateChild related to this interface. This method likely accepts an object of type AnimateChildOptions as an argument to configure animation options for a child element.

Usage Example:

Consider a practical example using Angular, where animateChild is used to animate a child component with specific animation options:


In this example, we are using Angular's AnimationBuilder to create an animation for a child component. The AnimateChildOptions interface is used to configure animation options, such as duration and delay, and then the animation is played on the specific child element.

This interface provides a flexible and powerful means to control animations for child elements in a web development context.

Source: https://angular.io/api/animations/AnimateChildOptions#animatechildoptions

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