select的增删(一)

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

<!--

function addSrcToDestList() {

destList = window.document.forms[0].destList;

srcList = window.document.forms[0].srcList;

var len = destList.length;

for(var i = 0; i < srcList.length; i++) {

if ((srcList.options[i] != null) && (srcList.options[i].selected)) {

var found = false;

for(var count = 0; count < len; count++) {

if (destList.options[count] != null) {

if (srcList.options[i].text == destList.options[count].text) {

found = true;

break;

}

if (found != true) {

destList.options[len] = new Option(srcList.options[i].text);

len++;

}

function deleteFromDestList() {

var destList = window.document.forms[0].destList;

var len = destList.options.length;

for(var i = (len-1); i >= 0; i--) {

if ((destList.options[i] != null) && (destList.options[i].selected == true)) {

destList.options[i] = null;

}

// -->

</SCRIPT>

<BODY>

<FORM>

<TBODY>

<TR>

<OPTION value=1>Ameng 1<OPTION value=2>Ameng 2<OPTION value=3>Ameng

3<OPTION value=4>Ameng 4<OPTION value=5>Ameng 5<OPTION value=6>Ameng

6</OPTION></SELECT> </TD>

</TD>

<TD width=69 bgColor=#6699cc><SELECT multiple size=6

name=destList></SELECT> </TD></TR></TBODY></TABLE></FORM>

</CENTER></BODY></HTML>

posted on 2006-04-05 18:22 Ameng 阅读(142) 评论(0) 收藏举报