Learn about the Virtual DOM (VDOM) and the process of reconciliation in frontend frameworks like React, Angular, or Vue. Understand how reactivity is achieved and how changes are mirrored from the VDOM to the real DOM. Explore the use of the `key` property in lists to avoid incorrect rendering of elements.

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Table of contents
What is the Virtual DOM (VDOM)?What is "Reconciliation"?What is the key property?Conclusion

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