var declare URLSearchParams

Initial value:

MDN Reference

Appends a specified key/value pair as a new search parameter.

MDN Reference Deletes the given search parameter, and its associated value, from the list of all search parameters.

MDN Reference Returns the first value associated to the given search parameter.

MDN Reference Returns all the values association with a given search parameter.

MDN Reference Returns a Boolean indicating if such a search parameter exists.

MDN Reference Sets the value associated to a given search parameter to the given value. If there were several values, delete the others.

MDN Reference MDN Reference Returns a string containing a query string suitable for use in a URL. Does not include the question mark.