var entries = [{ '.tag': 'folder', name: 'addd', path_lower: '/peeps/dad/addd', path_display: '/peeps/dad/addd', parent_shared_folder_id: '52130910', id: 'id:pt8S9nR0uAAAAAAAAAACIQ', client_modified: '2017-08-15T15:33:22Z', }, { '.tag': 'file', name: 'Baywatch.2017.720p.WEB-DL.XviD.AC3-FGT.avi.et.mp4', path_lower: '/peeps/dad/addd/baywatch.2017.720p.web-dl.xvid.ac3-fgt.avi.et.mp4', path_display: '/peeps/dad/addd/Baywatch.2017.720p.WEB-DL.XviD.AC3-FGT.avi.et.mp4', parent_shared_folder_id: '52130910', id: 'id:LC0aXlQZVKEAAAAAAA9dCw', client_modified: '2017-08-15T15:33:22Z', server_modified: '2017-08-15T16:13:50Z', rev: '19af031b745e', size: 3602631401, content_hash: '461ac87883c6fadfd34c443f437057fc8da50f42e120c38b1b93d2fa00aef045' }, { '.tag': 'file', name: 'Escape.From.New.York.1981.1080p.BrRip.x264.BOKUTOX.YIFY.mp4', path_lower: '/peeps/dad/addd/escape.from.new.york.1981.1080p.brrip.x264.bokutox.yify.mp4', path_display: '/peeps/dad/addd/Escape.From.New.York.1981.1080p.BrRip.x264.BOKUTOX.YIFY.mp4', parent_shared_folder_id: '52130910', id: 'id:LC0aXlQZVKEAAAAAAA9dGg', client_modified: '2017-08-14T19:03:14Z', server_modified: '2017-08-15T18:47:02Z', rev: '19b2031b745e', size: 1398858127, content_hash: 'f60f4b3168b653d24085e90214964e2860ee8e3ad3fa82c65702cc8d72ce5193' }] console.log(_.filter(entries, function(n) { //console.log(n['.tag'] === 'file') //console.log(['mkv', 'mp4', 'avi'].indexOf(n.name.substr(n.name.length - 3)) !== -1) //console.log(moment().isBefore(moment().add({days:3}).format(),'day')) return (n['.tag'] === 'file' && ['mkv', 'mp4', 'avi'].indexOf(n.name.substr(n.name.length - 3)) !== -1 && n.client_modified) }))