{"action":"opened","issue":{"url":"https://api.github.com/repos/6to5/6to5/issues/553","labels_url":"https://api.github.com/repos/6to5/6to5/issues/553/labels{/name}","comments_url":"https://api.github.com/repos/6to5/6to5/issues/553/comments","events_url":"https://api.github.com/repos/6to5/6to5/issues/553/events","html_url":"https://github.com/6to5/6to5/issues/553","id":55007229,"number":553,"title":"Web Worker support","user":{"login":"guybedford","id":598730,"avatar_url":"https://avatars.githubusercontent.com/u/598730?v=3","gravatar_id":"","url":"https://api.github.com/users/guybedford","html_url":"https://github.com/guybedford","followers_url":"https://api.github.com/users/guybedford/followers","following_url":"https://api.github.com/users/guybedford/following{/other_user}","gists_url":"https://api.github.com/users/guybedford/gists{/gist_id}","starred_url":"https://api.github.com/users/guybedford/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/guybedford/subscriptions","organizations_url":"https://api.github.com/users/guybedford/orgs","repos_url":"https://api.github.com/users/guybedford/repos","events_url":"https://api.github.com/users/guybedford/events{/privacy}","received_events_url":"https://api.github.com/users/guybedford/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-01-21T11:30:50Z","updated_at":"2015-01-21T11:30:50Z","closed_at":null,"body":"I just tested 6to5 `browser.js` in a web worker, and it seems there is an error with `cannot read property prototype of undefined`."}}