MethodDescription
new Set()Creates a new Set
add()Adds a new element to the Set
delete()Removes an element from a Set
has()Returns true if a value exists
clear()Removes all elements from a Set
forEach()Invokes a callback for each element
values()Returns an Iterator with all the values in a Set
keys()Same as values()
entries()Returns an Iterator with the [value,value] pairs from a Set
PropertyDescription
sizeReturns the number elements in a Set
const letters = new Set(["a", "b", "c"]);
 
fruits instanceof Set;