{"action":"created","issue":{"url":"https://api.github.com/repos/nzakas/understandinges6/issues/111","labels_url":"https://api.github.com/repos/nzakas/understandinges6/issues/111/labels{/name}","comments_url":"https://api.github.com/repos/nzakas/understandinges6/issues/111/comments","events_url":"https://api.github.com/repos/nzakas/understandinges6/issues/111/events","html_url":"https://github.com/nzakas/understandinges6/issues/111","id":53622577,"number":111,"title":"Collections browser support","user":{"login":"grey93","id":4389751,"avatar_url":"https://avatars.githubusercontent.com/u/4389751?v=3","gravatar_id":"","url":"https://api.github.com/users/grey93","html_url":"https://github.com/grey93","followers_url":"https://api.github.com/users/grey93/followers","following_url":"https://api.github.com/users/grey93/following{/other_user}","gists_url":"https://api.github.com/users/grey93/gists{/gist_id}","starred_url":"https://api.github.com/users/grey93/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/grey93/subscriptions","organizations_url":"https://api.github.com/users/grey93/orgs","repos_url":"https://api.github.com/users/grey93/repos","events_url":"https://api.github.com/users/grey93/events{/privacy}","received_events_url":"https://api.github.com/users/grey93/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-01-07T11:23:38Z","updated_at":"2015-01-07T16:09:32Z","closed_at":null,"body":"According to MDN, chrome 38+ and firefox 37+ are shipping with everything.\r\n\r\n[Set](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set#Browser_compatibility)\r\n[Map](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map#Browser_compatibility)\r\n[WeakMap](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakMap#Browser_compatibility)\r\n[WeakSet](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/WeakSet#Browser_compatibility)\r\n\r\nSome Screenshots from chrome 41 and firefox 36 :\r\n\r\n__Set__\r\n\r\n![set-chrome](https://cloud.githubusercontent.com/assets/4389751/5644729/d23c4c82-968c-11e4-9726-2e0bfc5e4d3a.png)\r\n![set-firefox](https://cloud.githubusercontent.com/assets/4389751/5644736/e131d798-968c-11e4-8530-6a65ac6a2939.png)\r\n\r\n__Map__\r\n\r\n![map-chrome](https://cloud.githubusercontent.com/assets/4389751/5644737/e27a5396-968c-11e4-83f6-c2c2391f7fda.png)\r\n![map-firefox](https://cloud.githubusercontent.com/assets/4389751/5644739/e41237c8-968c-11e4-9c3b-c0cfe9db16b9.png)\r\n\r\n__WeakMap__\r\n\r\n![weakmap-chrome](https://cloud.githubusercontent.com/assets/4389751/5644740/e7d87106-968c-11e4-8b26-9036914a62da.png)\r\n![weakmap-firefox](https://cloud.githubusercontent.com/assets/4389751/5644742/eafdddda-968c-11e4-8e8f-4911704a896b.png)\r\n\r\n__WeakSet__\r\n\r\n![weakset-chrome](https://cloud.githubusercontent.com/assets/4389751/5644745/ef2c4950-968c-11e4-9089-08641bdf39c7.png)\r\n![weakset-firefox](https://cloud.githubusercontent.com/assets/4389751/5644746/f3048cb8-968c-11e4-956c-fc358d89c7d0.png)"},"comment":{"url":"https://api.github.com/repos/nzakas/understandinges6/issues/comments/69044186","html_url":"https://github.com/nzakas/understandinges6/issues/111#issuecomment-69044186","issue_url":"https://api.github.com/repos/nzakas/understandinges6/issues/111","id":69044186,"user":{"login":"nzakas","id":38546,"avatar_url":"https://avatars.githubusercontent.com/u/38546?v=3","gravatar_id":"","url":"https://api.github.com/users/nzakas","html_url":"https://github.com/nzakas","followers_url":"https://api.github.com/users/nzakas/followers","following_url":"https://api.github.com/users/nzakas/following{/other_user}","gists_url":"https://api.github.com/users/nzakas/gists{/gist_id}","starred_url":"https://api.github.com/users/nzakas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nzakas/subscriptions","organizations_url":"https://api.github.com/users/nzakas/orgs","repos_url":"https://api.github.com/users/nzakas/repos","events_url":"https://api.github.com/users/nzakas/events{/privacy}","received_events_url":"https://api.github.com/users/nzakas/received_events","type":"User","site_admin":false},"created_at":"2015-01-07T16:09:32Z","updated_at":"2015-01-07T16:09:32Z","body":"These aren't specific to the browser, so they are included in the `builtin` key instead. You should always merge `builtin` with whatever environment you have."}}