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JavaScript Set add() | Method

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JavaScript Set add() method used to insert a new element to Set object with a specified value. Each element must have a unique value.

set.add(value)

JavaScript Set add

Simple example code understands add() method through various examples.

<!DOCTYPE html>
<html>
<body>
  <script>
   const set1 = new Set();
   set1.add(1);
   set1.add(1);
   set1.add(2);

   console.log(set1);

   var set = new Set();  
   set.add("jQuery");  
   set.add("AngularJS");  
   set.add("Bootstrap");  

   for (let elements of set) {  
     console.log(elements)
   }  

 </script>
</body>
</html>

Output:

JavaScript Set add() Method

add the elements to set objects in the chainable form.

const mySet = new Set();

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

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

Do comment if you have any doubts or suggestions on this Js set method topic.

Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.

OS: Windows 10

Code: HTML 5 Version

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