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    Map, Filter, Reduce: The Holy Trinity of Array Methods

    • Most frequently used things in all programming languages.
    • “In Javascript, if you are using a For…loop with an array, then you are probably doing something wrong”
    • We have Mutating and Non-Mutating Methods
    • Mutating: splice push/pop and shift/unshift,
    • Non-Mutating: map filter and reduce,
    • In the article, you have examples of all single methods and also method chaining.

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