Exploring JavaScript Set add() Method

The add() method in JavaScript’s Set object is use to add a new element to the Set. If the element already present, it is not added again in the set, ensuring all elements presents in the set are unique. This method return a set object.

Syntax

add() method represnts by the following syntax

Var mySet = new Set()
mySet.add(value)

Value – It reprents that new element added in the set.

Return

It return set object with added new value.

Example of Set add() Method

// Create a new Set
let mySet = new Set();

// Add values to the Set
mySet.add(11);
mySet.add(22);
mySet.add(11); // Duplicate values are ignored
mySet.add("CodeSpeedy");

// Log the Set to the console
console.log(mySet)

Output

Set(3) { 11, 22, 'CodeSpeedy' }

Conclusion

In short, the add() method of the JavaScript Set object is a simple and efficient way to manage collections of unique values. This ensures that no duplication is added, making your data management more efficient.