{"action":"created","issue":{"url":"https://api.github.com/repos/Polymer/polymer/issues/3316","labels_url":"https://api.github.com/repos/Polymer/polymer/issues/3316/labels{/name}","comments_url":"https://api.github.com/repos/Polymer/polymer/issues/3316/comments","events_url":"https://api.github.com/repos/Polymer/polymer/issues/3316/events","html_url":"https://github.com/Polymer/polymer/issues/3316","id":127991526,"number":3316,"title":"Array splicing and dom-repeat lead to wrong path in deep property observers","user":{"login":"robdodson","id":1066253,"avatar_url":"https://avatars.githubusercontent.com/u/1066253?v=3","gravatar_id":"","url":"https://api.github.com/users/robdodson","html_url":"https://github.com/robdodson","followers_url":"https://api.github.com/users/robdodson/followers","following_url":"https://api.github.com/users/robdodson/following{/other_user}","gists_url":"https://api.github.com/users/robdodson/gists{/gist_id}","starred_url":"https://api.github.com/users/robdodson/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/robdodson/subscriptions","organizations_url":"https://api.github.com/users/robdodson/orgs","repos_url":"https://api.github.com/users/robdodson/repos","events_url":"https://api.github.com/users/robdodson/events{/privacy}","received_events_url":"https://api.github.com/users/robdodson/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2016-01-21T18:36:48Z","updated_at":"2016-01-23T12:21:47Z","closed_at":null,"body":"Copied over from polymer-dev mailing list.\r\n\r\n> When adding an element in array, using splice method, and then change a subproperty from the added item, the path from array observation is not the correct one.\r\n\r\n[Example fiddle](https://jsfiddle.net/simona_butnaru/zfwewthr/5/)\r\n\r\nI would expect the last value logged by `dataChanged` would be `persons.2.name` but it's `persons.11.name`"},"comment":{"url":"https://api.github.com/repos/Polymer/polymer/issues/comments/174182845","html_url":"https://github.com/Polymer/polymer/issues/3316#issuecomment-174182845","issue_url":"https://api.github.com/repos/Polymer/polymer/issues/3316","id":174182845,"user":{"login":"kaste","id":8558,"avatar_url":"https://avatars.githubusercontent.com/u/8558?v=3","gravatar_id":"","url":"https://api.github.com/users/kaste","html_url":"https://github.com/kaste","followers_url":"https://api.github.com/users/kaste/followers","following_url":"https://api.github.com/users/kaste/following{/other_user}","gists_url":"https://api.github.com/users/kaste/gists{/gist_id}","starred_url":"https://api.github.com/users/kaste/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kaste/subscriptions","organizations_url":"https://api.github.com/users/kaste/orgs","repos_url":"https://api.github.com/users/kaste/repos","events_url":"https://api.github.com/users/kaste/events{/privacy}","received_events_url":"https://api.github.com/users/kaste/received_events","type":"User","site_admin":false},"created_at":"2016-01-23T12:21:47Z","updated_at":"2016-01-23T12:21:47Z","body":"Well, it should not log `persons.11.name` but `persons.#11.name`? `#` denoting it's not an index you can simply work with. Otherwise it's of course a dup. "}}