Answers.md

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1. The difference between forEach and map is that forEach runs a function once for each item in the array. While map calls a cb function once for each element and constructs a new array with the results.
2. Strings, Booleans, Number, Objects, Arrays. Arrays have a several built in methods.
3. An inner function that has access to the outer functions variables.
4. Global- window/context outside of any function, new - creates an instance of the user-defined object , Implicit, Explicit