예제let list = [ {name: '기관1', start_year: '100', end_year: '200', content: '내용1', dept: '부서1'}, {name: '기관2', start_year: '1000', end_year: '2000', content: '내용2', dept: '부서2'}, {name: '기관1', start_year: '100', end_year: '200', content: '내용1', dept: '부서1'}, {name: '기관2', start_year: '1000', end_year: '2000', content: '내용2', dept: '부서33'}, {name: '', start_year: '', end_year: '',..