{"action":"opened","issue":{"url":"https://api.github.com/repos/SAP/openui5/issues/636","labels_url":"https://api.github.com/repos/SAP/openui5/issues/636/labels{/name}","comments_url":"https://api.github.com/repos/SAP/openui5/issues/636/comments","events_url":"https://api.github.com/repos/SAP/openui5/issues/636/events","html_url":"https://github.com/SAP/openui5/issues/636","id":110620053,"number":636,"title":"DropdownBox with placeholder-Text in IE 11","user":{"login":"kleferbe","id":13346987,"avatar_url":"https://avatars.githubusercontent.com/u/13346987?v=3","gravatar_id":"","url":"https://api.github.com/users/kleferbe","html_url":"https://github.com/kleferbe","followers_url":"https://api.github.com/users/kleferbe/followers","following_url":"https://api.github.com/users/kleferbe/following{/other_user}","gists_url":"https://api.github.com/users/kleferbe/gists{/gist_id}","starred_url":"https://api.github.com/users/kleferbe/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/kleferbe/subscriptions","organizations_url":"https://api.github.com/users/kleferbe/orgs","repos_url":"https://api.github.com/users/kleferbe/repos","events_url":"https://api.github.com/users/kleferbe/events{/privacy}","received_events_url":"https://api.github.com/users/kleferbe/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2015-10-09T09:21:49Z","updated_at":"2015-10-09T09:21:49Z","closed_at":null,"body":"Hi,\r\n\r\nwe are experiencing massive problems with the sap.ui.commons.DropdownBox-Control in Internet Explorer 11 under the following conditions:\r\n1) A non empty string is assigned to the placeholder property of the DropdownBox.\r\n2) There is an ListItem with an empty text-Property in the DropdownBox items aggregation.\r\n3) The effect is even more severe if there are scrollbars in the listbox (more ListItems in the items aggregation than maxPopupItems)\r\n\r\nEffects:\r\n* You cannot scroll down\r\n* You cannot select an item with a single click\r\n* You will have problems to leave the popup\r\n\r\nExample: https://jsbin.com/zehizonedo/1/edit?html,output\r\n\r\nMy analysis so far:\r\nthe oninput event is called on every click in the popup listbox. the eventhandler calls [this._doTypeAhead()](https://github.com/SAP/openui5/blob/master/src/sap.ui.commons/src/sap/ui/commons/DropdownBox.js#L562) which selects the empty entry in the list.\r\n\r\n\r\nWith best regards,\r\nBernhard Klefer\r\n"}}