<!DOCTYPE html> <html> <title>Service Workers: InstallPhaseEvent</title> <head> <link rel="help" href="https://w3c.github.io/ServiceWorker/#install-phase-event"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <script src=/resources/WebIDLParser.js></script> <script src=/resources/idlharness.js></script> </head> <body> <script type=text/plain id="idl_0"> interface InstallPhaseEvent : Event { Promise<any> waitUntil(Promise<any> f); }; </pre> <!-- Service Workers have two [Lifecycle events][1], `[install][2]` and `[activate][3]`. Service Workers use the `[InstallPhaseEvent][4]` interface for `[activate][3]` event and the `[InstallEvent][5]` interface, which inherits from the `[InstallPhaseEvent][4]` interface, for `[install][2]` event. [1]: #lifecycle-events [2]: #install-event [3]: #activate-event [4]: #install-phase-event-interface [5]: #install-event-interface --> <script type=text/plain id="untested_idls"> interface Event {}; </pre> <script> var idl_array = new IdlArray(); idl_array.add_untested_idls(document.getElementById("untested_idls").textContent); idl_array.add_idls(document.getElementById("idl_0").textContent); idl_array.add_objects({ InstallPhaseEvent: ["throw new Error ('No object defined for the InstallPhaseEvent interface')"] }); idl_array.test(); </script> </body> </html>