URLSearchParams.prototype.toString

Returns the search parameters as a string.

Example

let params = new URLSearchParams("foo=1&bar=2")
params.toString()

"foo=1&bar=2"

let params = new URLSearchParams()
params.append("test", "value")
params.toString()

"test=value"

let params = new URLSearchParams("a=1")
params.set("b", "2")
params.toString()

"a=1&b=2"