Set: the API

Set API overview

• a Set can be created from an array
• size is the number of values
• add() appends the given value
• clear() removes all elements
• delete() removes the given value
• entries() returns an iterator for all values
• forEach() calls a callback for each value
• has() returns true if the given value is in the set

returns an iterator that contains all values

• keys()
• values()
• [Symbol.iterator]()

Links

mdn docs
announcement Announcement of this kata on twitter.