{"action":"opened","issue":{"url":"https://api.github.com/repos/silviomoreto/bootstrap-select/issues/1144","labels_url":"https://api.github.com/repos/silviomoreto/bootstrap-select/issues/1144/labels{/name}","comments_url":"https://api.github.com/repos/silviomoreto/bootstrap-select/issues/1144/comments","events_url":"https://api.github.com/repos/silviomoreto/bootstrap-select/issues/1144/events","html_url":"https://github.com/silviomoreto/bootstrap-select/issues/1144","id":105016401,"number":1144,"title":"Poor scrolling performance when the dropdown is hidden","user":{"login":"phizaz","id":451667,"avatar_url":"https://avatars.githubusercontent.com/u/451667?v=3","gravatar_id":"","url":"https://api.github.com/users/phizaz","html_url":"https://github.com/phizaz","followers_url":"https://api.github.com/users/phizaz/followers","following_url":"https://api.github.com/users/phizaz/following{/other_user}","gists_url":"https://api.github.com/users/phizaz/gists{/gist_id}","starred_url":"https://api.github.com/users/phizaz/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/phizaz/subscriptions","organizations_url":"https://api.github.com/users/phizaz/orgs","repos_url":"https://api.github.com/users/phizaz/repos","events_url":"https://api.github.com/users/phizaz/events{/privacy}","received_events_url":"https://api.github.com/users/phizaz/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-09-05T09:16:34Z","updated_at":"2015-09-05T09:16:34Z","closed_at":null,"body":"It's very weird to me that my large list of options works just fine, until the dropdown box (`div.dropdown-menu.open`) is closed (`display: none`) (while the dropdown is present the scrolling performance is back to normal)\r\n\r\nI've captured the timeline here:\r\n![screen shot 2558-09-05 at 16 07 21](https://cloud.githubusercontent.com/assets/451667/9698603/c5d0d480-53e8-11e5-883f-d1ecc306932e.png)\r\nThe timeline above is when I scroll the whole page while the dropdown box is closed (`display: none`)\r\n\r\nThis problem can be mitigated when I stop using `display: none` and start using `visibility: hidden` instead, though the visuals are not the same.\r\n"}}