What is the purpose of the jQuery data() method?

Instruction: Explain how to use the data() method to store and retrieve data associated with DOM elements.

Context: This question assesses the candidate's understanding of jQuery's data storage capabilities, which can be critical for managing state without modifying the DOM structure.

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The purpose of the data() method is two-fold: to store data related to specific elements and to retrieve this data when needed. This method leverages jQuery's internal cache, thereby avoiding unnecessary DOM manipulation which can lead to performance issues.

Let me illustrate with a practical example to clarify its usage:...

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