History

Time	Change
2017-02-22 12:49:49+00:00	Created
2017-02-22 12:49:49+00:00	Associated with ServiceWorkerGlobalScope
2017-02-22 12:49:49+00:00	Associated with 大域オブジェクト
2017-02-22 12:49:49+00:00	Associated with global object