What Is Map in JavaScript - Cuardach Físeáin

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In this javascript for beginners tutorial I will be covering maps. Maps are a collection of key value pairs. In simple terms a key maps to a value. We use keys just like indexes of an array to access specific values. Maps are similar to sets in that they a very fast at insertion, deletion and look-ups. Playlist: https://www.youtube.com/watch?v ...

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