<!doctype html> <html> <head> <meta charset="utf8"> <link rel="help" href="https://url.spec.whatwg.org/#interface-urlsearchparams"> <script src="../../resources/testharness.js"></script> <script src="../../resources/testharnessreport.js"></script> <script> test(function() { assert_true('URLSearchParams' in window); assert_true('toString' in URLSearchParams.prototype); assert_true('append' in URLSearchParams.prototype); assert_true('delete' in URLSearchParams.prototype); assert_true('get' in URLSearchParams.prototype); assert_true('getAll' in URLSearchParams.prototype); assert_true('has' in URLSearchParams.prototype); assert_true('set' in URLSearchParams.prototype); }, 'URLSearchParams interface'); </script> </head> </html>