What is memoization and how is it used for optimizing function performance in JavaScript?
- A design pattern for creating dynamic web components
- A method for encrypting sensitive data in JavaScript
- A technique to cache and reuse the results of expensive function calls
- An approach to asynchronous programming in JavaScript
Memoization is a technique in JavaScript used to cache and reuse the results of expensive function calls. By storing the results of expensive function calls and returning the cached result when the same inputs occur again, it helps optimize overall function performance.
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