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Understand JavaScript Arrays

Understand JavaScript Arrays

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    Modify Values in an Array with Map

    Shane OsbourneShane Osbourne

    Map is one of the most useful array methods. It creates a new array with the exact same number of items as the source and can be used to modify values, change their type, add fields to objects, simplify objects etc. In this lesson we focus on practical use-cases for map & see it in conjunction with other array methods.

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