Javascript set methods

javascript set methods provide a way to work with collections of unique values. a set is a built-in object that allows you to store any type of data, including primitives and references to objects, ensuring that there are no duplicate entries. key methods include `add()`, which inserts a new value into the set; `delete()`, which removes a specified value; and `has()`, which checks for the existence of a value. the `clear()` method empties the entire set. sets also support iteration, allowing you to traverse their elements easily. additionally, they have properties like `size`, which indicates the number of unique elements contained. sets are particularly useful for tasks that require uniqueness, such as filtering duplicate values from an array or managing collections of items where repetition is not allowed. their performance benefits make them a preferred choice for certain operations in javascript programming.
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