셀렉트메뉴 도와주세욥 ㅠㅠ

오류가 나는곳의 주소를 알려주시면 더 빠르고 정확하게 답변 받을 수 있습니다.

오류 주소 :




오류가 나는곳의 주소를 알려주시면 더 빠르고 정확하게 답변 받을 수 있습니다.

오류 주소 :


도움을 받아 3단셀렉트박스까지는 완료가 됬습니다.

3번째 셀렉트박스에들어가있는 항목이 밑에쪽에도 가로로

출력되게 하려면 어떻게 해야하나요? 예를들어 이런형태입니다.




셀렉트1 셀렉트2 셀렉트3


셀렉트3(1) 셀렉트3(2) 셀렉트3(3) 셀렉트3(4) 셀렉트3(5)





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