This single-file application fulfills all requirements, providing an interactive, educational, and visually premium environment to simulate and understand React `useEffect` memory leaks. ```html Free React useEffect Cleanup Function Memory Leak Simulator

React useEffect Cleanup Simulator

Visualize the lifecycle of React components and the critical impact of cleanup functions on application memory.

Active Component Lifecycle

Global Settings

Cleanup Enabled

When disabled, unmounting components will NOT clear their internal timers, simulating a memory leak.

Active Components
0
Memory Leaks
0

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