new ArraySet(list) ArraySet is a Set data structure (items must be unique within the set) that also maintains

removeAll(destroy) Removes every member from this ArraySet and optionally destroys it. Parameters

exists(item) → {boolean} Checks for the item within this list. Parameters

getByKey(property, value) → {any} Gets an item from the set based on the property strictly equaling

total : integer Number of items in the ArraySet. Same as list.length. Source