The find() method of Array instances returns the first element in the provided array that satisfies the provided testing function. If no values satisfy the testing function, undefined is returned.
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Description The find() method returns the value of the first element that passes a test. The find() method executes a function for each array element. The find() method returns undefined if no elements are found. The find() method does not execute the function for empty elements. The find() method does not change the original array.
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The meaning of FIND is to come upon often accidentally : encounter. How to use find in a sentence.
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I asked a question about currying and closures were mentioned. What is a closure? How does it relate to currying?
What's important here is the closure, which is the set of free variables from the environment of your lambda that need to be saved somewhere. It didn't took too long for people to start calling the actual data structure they use in their language's implementations to implement closure as the "closure" itself.