A.封裝性B.多態(tài)性C.繼承性D.過程性
A.alert(“Hello World!"); B.printf(“Hello World!"); C.Document.write(“Hello World!"); D.Response.write(“Hello World!");
A.<HTML>...</HTML> B.<Script>...</Script> C.<Applet>...</ Applet> D.<frameset>...</ frameset>