{"action":"opened","issue":{"url":"https://api.github.com/repos/jashkenas/backbone/issues/3999","repository_url":"https://api.github.com/repos/jashkenas/backbone","labels_url":"https://api.github.com/repos/jashkenas/backbone/issues/3999/labels{/name}","comments_url":"https://api.github.com/repos/jashkenas/backbone/issues/3999/comments","events_url":"https://api.github.com/repos/jashkenas/backbone/issues/3999/events","html_url":"https://github.com/jashkenas/backbone/issues/3999","id":144307203,"number":3999,"title":"Why I can't name my event as 'constructor'?","user":{"login":"unclechu","id":799353,"avatar_url":"https://avatars.githubusercontent.com/u/799353?v=3","gravatar_id":"","url":"https://api.github.com/users/unclechu","html_url":"https://github.com/unclechu","followers_url":"https://api.github.com/users/unclechu/followers","following_url":"https://api.github.com/users/unclechu/following{/other_user}","gists_url":"https://api.github.com/users/unclechu/gists{/gist_id}","starred_url":"https://api.github.com/users/unclechu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/unclechu/subscriptions","organizations_url":"https://api.github.com/users/unclechu/orgs","repos_url":"https://api.github.com/users/unclechu/repos","events_url":"https://api.github.com/users/unclechu/events{/privacy}","received_events_url":"https://api.github.com/users/unclechu/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-03-29T15:50:47Z","updated_at":"2016-03-29T15:50:47Z","closed_at":null,"body":"```javascript\r\n_.extend({}, Backbone.Events).on('constructor', function () {});\r\n```\r\nThrows exception:\r\n```text\r\nTypeError: handlers.push is not a function\r\n```\r\nIs it a bug?"}}