Node.js URLSearchParams.keys()

Last Updated : 14 Oct, 2021

In URLSearchParams interface, the keys() method returns an Iterator which allows us to iterate through all the keys present in the object. Syntax:

searchParams.keys();

Return:Returns an ES6 Iterator over the names of each name-value pair. Example 1:

javascript

var searchParams = new URLSearchParams("keyA=valueA&keyB=valueB"); 

// Display the key/value pairs 
for(var key of searchParams.keys()) { 
  console.log(key); 
}

Output:

keyA
keyB

Example2:

javascript

var searchParams = new URLSearchParams("name=john&age=18"); 

// Display the key/value pairs 
for(var key of searchParams.keys()) { 
  console.log(key); 
}