program language 개념 - arcturus9/useful-link GitHub Wiki JSON http://egloos.zum.com/killins/v/3013974 http://hyunc87.tistory.com/47 AJAX http://wherethelightis.tistory.com/14 XML http://marcof.tistory.com/45 자바스크립트 https://ko.wikipedia.org/wiki/%EC%9E%90%EB%B0%94%EC%8A%A4%ED%81%AC%EB%A6%BD%ED%8A%B8