1. append()
This method appends a specified key/value pair in URL query string (appends at the end).
2. delete()
This method deletes the specified search parameter and all its associated values.
3. entries()
This method returns an iterator that allows iteration through all key/value pairs in the object.
4. forEach()
This method allows iteration as well but via a callback function.
5. get()
This method returns the value related to the defined search parameter but only the first matched value.
6. getAll()
This method returns ALL the values related to the defined search parameter.
7. has()
This method returns true if the parameter with the specified name exists and false if it doesn’t exist.
8. keys()
This methods allows to iterate over the object as well but it only allows iteration through keys.
9. set()
This method changes the value related to the search parameter to the provided value.
If there are multiple matching values, it will delete the other values.
It will create the search parameter if it doesn’t exist.
10. sort()
This method sorts all key/value pairs as per the unicode code points of the keys.
This method will maintain the relative order between key/value pairs with equal keys.
11. toString()
This method returns a query string.
12. values()
This is opposite to the keys() method. This methods allows to iterate over the object through values.
Source: MDN
append delete forEach getAll JS Methods key method search sort string url URLSearchParams values