Set.prototype.add()

The add() method appends a new element with a specified value to the end of a Set object.

mySet.add(value);

value

The value of the element to add to the Set object.

The Set object with added value.

var mySet = new Set();

mySet.add(1);
mySet.add(5).add('some text'); // chainable

console.log(mySet);
// Set [1, 5, "some text"]

• Set
• Set.prototype.delete()
• Set.prototype.has()