<html><body><script>function xiangyou(){var s=document.getElementById("biaodan2");var obj=document.getElementById("biaodan1");var length=obj.options.length;for(var i=length-1;i>=0;i--){if(obj.options[i].selected&&length>7){obj.options.add(s.options[i]);}}}function xiangzuo(){var s=document.getElementById("biaodan2")var obj=document.getElementById("biaodan1");var length=s.options.length;for(var m=length-1;m>=0;m--){if(s.options[m].selected){obj.options.add(s.options[m]);}}}</script><form name="form"><p><select name="biaodan1" size="10" multiple id="biaodan1"><option value="v1">軟件技術(shù)專業(yè)</option><option value="v2">動(dòng)漫技術(shù)專業(yè)</option><option value="v3">會(huì)計(jì)電算化</option><option value="v4">市場(chǎng)營(yíng)銷</option><option value="v5">嵌入式軟件</option><option value="v6">Java軟件</option><option value="v7">.net軟件開發(fā)</option><option value="v8">移動(dòng)通信軟件開</option><option value="v9">Php軟件開發(fā)</option><option value="v10">建筑技術(shù)專業(yè)</option></select><input type="button" value="》" onClick="xiangyou()"><input type="button" value="↑" onClick="shang()"><input type="button" value="↓" onClick="xia()"><input name="button" type="button" onclick="xiangzuo()"value="《" /><select name="biaodan2" size="10" multiple id="biaodan2" ></select></p></form></body></html>
你好，使用ie6顯示提示十三行，提示參數(shù)無效！為什么？
慕桂英3389331
2021-09-08 07:07:11