{"action":"opened","issue":{"url":"https://api.github.com/repos/kixam/TW5-visjsTimeline/issues/20","labels_url":"https://api.github.com/repos/kixam/TW5-visjsTimeline/issues/20/labels{/name}","comments_url":"https://api.github.com/repos/kixam/TW5-visjsTimeline/issues/20/comments","events_url":"https://api.github.com/repos/kixam/TW5-visjsTimeline/issues/20/events","html_url":"https://github.com/kixam/TW5-visjsTimeline/issues/20","id":114225815,"number":20,"title":"Javascript red alert error when I've a timeline on home page at first boot on Firefox","user":{"login":"silvyn","id":9981592,"avatar_url":"https://avatars.githubusercontent.com/u/9981592?v=3","gravatar_id":"","url":"https://api.github.com/users/silvyn","html_url":"https://github.com/silvyn","followers_url":"https://api.github.com/users/silvyn/followers","following_url":"https://api.github.com/users/silvyn/following{/other_user}","gists_url":"https://api.github.com/users/silvyn/gists{/gist_id}","starred_url":"https://api.github.com/users/silvyn/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/silvyn/subscriptions","organizations_url":"https://api.github.com/users/silvyn/orgs","repos_url":"https://api.github.com/users/silvyn/repos","events_url":"https://api.github.com/users/silvyn/events{/privacy}","received_events_url":"https://api.github.com/users/silvyn/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-10-30T08:44:40Z","updated_at":"2015-10-30T08:44:40Z","closed_at":null,"body":"Hi,\r\n\r\nI think it's a timeline vis.js issue, but not sure.\r\n\r\nOn this example, http://sylvain.naud.in/public/TiddlyWiki/TiddlyWiki-ToDo-Timeline.html, if you put _Timeline_ tiddler to be show when you go home, I've this JavaScript alert error : \r\n\r\n![javascript-error](https://cloud.githubusercontent.com/assets/9981592/10841490/f75a7f16-7ee9-11e5-897f-427e54c33e47.jpg)\r\n\r\nI can reproduce this every-time when I just open Firefox and my TW file. I don't have this issue If I have no timeline to show when you open TW.\r\n\r\n1. Open Firefox\r\n2. Open TiddlyWiki-ToDo-Timeline.html whith no timeline : No error\r\n3. Put Timeline tiddler in this example to be show in home, save\r\n4. Close Firefox\r\n5. Open Firefox\r\n6. Open TiddlyWiki-ToDo-Timeline.html : you've got this red alert error\r\n\r\nSylvain"}}