<HTML> <HEAD><TITLE> :::: 자바스크립트 변수 사용하기 :::: </TITLE><script language="JavaScript">var total1, total2;var total3 = 30;total1 = 90;total2 = 50 + 100;document.write("<h3>합계1 : ");document.write(total1);document.write("<p>합계2 : ");document.write(total2);document.write("<p>합계3 : ");document.write(..
