5th of 10 Questions.
Composite Pattern
The Composite pattern composes objects into tree structures to represent part-whole hierarchies, allowing clients to treat individual objects and compositions uniformly.
The Composite pattern is a structural design pattern that lets you compose objects into tree structures and then work with these structures as if they were individual objects. This pattern is fundamental to React's component-based architecture, where components can contain other components, forming a tree structure [citation:7].
Vanilla JavaScript Implementation
React Implementation
Angular Implementation