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htlm實(shí)現(xiàn)代碼(htlm代碼怎么運(yùn)行)
2在select標(biāo)簽之間，添加option標(biāo)簽來定義每個(gè)選項(xiàng)select #160option value=quotoption1quot選項(xiàng)1option #160option value=quotoption2quot選項(xiàng)2option #160option value=quotoption3q...