What are the disadvantages of Virtual DOM?

The Virtual DOM makes working with interface updates easier, but it also has its drawbacks:

• Performance: In large and complex applications, comparing the Virtual DOM with the real DOM and calculating changes can take significant time, reducing overall performance.
• Memory: Storing a copy of the Virtual DOM tree requires additional memory.
• Implementation complexity: For some tasks (e.g., animations or working with low-level browser APIs), the Virtual DOM can be excessive or inconvenient.
• Deferred updates: Updates do not happen instantly but after calculating changes, which can lead to slight delays in rendering.

Thus, the Virtual DOM is a compromise between development convenience and the overhead on performance and memory.