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Object.values(obj) returns an array of values.
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Returns an array of [key, value] pairs.
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Inside methods, this points to the object using the method.
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Can insert or delete elements inside the array.
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Functions that make multiple similar objects using new.
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array.join(", ") turns all items into a string.
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class defines reusable templates for objects.
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array.reverse() turns the array backward.