select option 的操作
<script>
var seleObj,selObj2;
function addall(selObj,selObj2)
{
for(i=0;i<(selObj.length);i++)
{
var gr = selObj2;
varvalOption = new Option;
var result=0;
if(selObj2.length>0)
{
for(k=0;k<(selObj2.length);k++)
{
if(selObj.options[i].value==selObj2.options[k].value)
result++;
}
if(result==0)
{
valOption.text=selObj.options[i].text;
valOption.value=selObj.options[i].value;
gr.add(valOption);
}
}
else
{
valOption.text=selObj.options[i].text;
valOption.value=selObj.options[i].value;
gr.add(valOption);
}
}
}
functionadd(selObj,selObj2)
{
doc=selObj;
vari,m=0;
for(i=0;i<(selObj.length);i++)
{
if(selObj.options[i].selected)
{ var gr = selObj2;
varvalOption = new Option;
var result=0;
if(selObj2.length>0)
{
for(k=0;k<(selObj2.length);k++)
{
if(selObj.options[i].value==selObj2.options[k].value)
result++;
}
if(result==0)
{
valOption.text=selObj.options[i].text;
valOption.value=selObj.options[i].value;
gr.add(valOption);
}
}
else
{
valOption.text=selObj.options[i].text;
valOption.value=selObj.options[i].value;
gr.add(valOption);
}
}
}
}
functionremove(selObj2)
{
doc=document;
var i,m;
for(i=(selObj2.length-1);i>=0;i--)
{ j=0;
if(selObj2.options[i].selected)
{ selObj2.options[i]=null;
}
}
}
functionremoveall(selObj2)
{
for(i=(selObj2.length-1);i>=0;i--)
{
j=0;
selObj2.options[i]=null;
}
}
</script>
<html>
<body>
<formname=form1>
<table>
<selectname=select size="10" class=pl style=width:100pt multiplereadonly>
<optionvalue=1>hg</option>
<optionvalue=2>hg</option>
<optionvalue=3>b</option>
<optionvalue=4>c</option>
<optionvalue=5>5</option>
</select>
<inputtype='button' name='Button' value='添加'onclick="add(document.form1.select,document.form1.wage_class)">
<inputtype='button' name='Button2' value='删除'onclick='remove(document.form1.wage_class)'>
<inputtype='button' name='Button1' value='全加' onclick="addall(document.form1.select,document.form1.wage_class)">
<inputtype='button' name='Button3' value='全删'onclick='removeall(document.form1.wage_class)'>
<selectname=wage_class size='10' style=width:100pt multiple readonly>
<optionvalue=6>6</option>
<optionvalue=7>7</option>
<optionvalue=8>8</option>
<optionvalue=9>9</option>
<optionvalue=10>10</option>
</select>
</form>
</body>
</html>
