How to convert Set to Array in JavaScript?

Last Updated : 14 May, 2019

A set can be converted to an array in JavaScript by the following way-

By using Array.from() method:
This method returns a new Array from an array like object or iterable objects like Map, Set, etc.
Syntax

Array.from(arrayLike object);

Example-1

<!DOCTYPE html>
<html>
  
<head>
    <title>
        Convert Set to Array
    </title>
</head>
  
<body>
    <center>
        <h1 style="color:green">
          GeeksforGeeks
      </h1>
        <script>
            const set = 
               new Set(['welcome', 'to', 'GFG']);
            Array.from(set);
  
            document.write(Array.from(set));
        </script>
    </center>
</body>
  
</html>

Output

Using spread operator:
Using of spread operator can also help us convert Set to array.
Syntax

var variablename = [...value];

Example-2:

<!DOCTYPE html>
<html>
  
<head>
    <title>
        Convert Set to Array
    </title>
</head>
  
<body>
    <center>
        <h1 style="color:green">
          GeeksforGeeks
      </h1>
        <script>
            const set = 
                  new Set(['GFG', 'JS']);
            const array = [...set];
            document.write(array);
        </script>
    </center>
</body>
  
</html>

Output

Using forEach:
Example-3:

<!DOCTYPE html>
<html>
  
<head>
    <title>
      Convert Set to Array
  </title>
</head>
  
<body>
    <center>
        <h1 style="color:green">
          GeeksforGeeks
      </h1>
  
        <script>
            var gfgSet = new Set();
            var gfgArray = [];
  
            gfgSet.add("Geeks");
            gfgSet.add("for");
            // duplicate item
            gfgSet.add("Geeks");
  
            var someFunction = function(
            val1, val2, setItself) {
                gfgArray.push(val1);
            };
  
            gfgSet.forEach(someFunction);
  
            document.write("Array: " + gfgArray);
        </script>
    </center>
</body>
  
</html>

Output

Supported Browsers:

Google Chrome
Firefox
Edge
Opera
Apple Safari

My Personal Notes

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