JavaScript Set add() Method

by Online Tutorials Library July 22, 2022

JavaScript Set add() method

The JavaScript Set add() method is used to add an element to Set object with a specified value. Each element must have a unique value.

Syntax

The add() method is represented by the following syntax:

Parameter

value – It represents the value to be added.

Return

The Set object.

JavaScript Set add() method example

Here, we will understand add() method through various examples.

Example 1

Let’s see an example to add value of elements to set object.

  <script>  var set = new Set();  set.add(“jQuery”);  set.add(“AngularJS”);  set.add(“Bootstrap”);  for (let elements of set) {   document.writeln(elements+”<br>”);  }  </script>  

Test it Now

Output:

jQuery  AngularJS  Bootstrap

Example 2

In this example, we will add the elements to set object in chainable form.

  <script>  var set = new Set();  set.add(“jQuery”).add(“AngularJS”).add(“Bootstrap”);  for (let elements of set) {   document.writeln(elements+”<br>”);  }  </script>  

Test it Now

Output:

jQuery  AngularJS  Bootstrap

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