URLSearchParams.sort()

The URLSearchParams.sort() method sorts all key/value pairs contained in this object in place and returns undefined. The sort order is according to unicode code points of the keys. This method uses a stable sorting algorithm (i.e. the relative order between key/value pairs with equal keys will be preserved).

searchParams.sort();

None.

undefined.

// Create a test URLSearchParams object
var searchParams = new URLSearchParams("c=4&a=2&b=3&a=1");

// Sort the key/value pairs
searchParams.sort();

// Display the sorted query string
console.log(searchParams.toString());

The result is:

a=2&a=1&b=3&c=4