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ramon fincken
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Joined: 03 Aug 2007
Posts: 412
Location: A'dam/Diemen, The Netherlands
|
 Posted: Wed Aug 26, 2009 8:15 pm Post subject: [solution] Prototype Javascript: Select Multiple Dropdown Items (values) |
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So I needed to have all values from:
| Code: | select multiple="multiple" name="cats" id="cats" size="5">
option value="73">Catg Naam</option>
option value="70">CatNaam1</option>
option value="90">CatNaam2</option>
option value="80" >CatNaam3</option>
</select> |
how to do this? ( in order to make it usable for AJAX requests ).
A solution is to serialize them to XML but I needed a string.
Recoded from:
http://ehsan.bdwebwork.com/2006/12/20/j...own-items/
Here's how to get 73+70+80 if 3 options are selected:
| Code: |
alert(getmultiplevalues($('cats')));
/**
* Recoded by Ramon Fincken (www.ramonfincken.com) from: http://ehsan.bdwebwork.com/2006/12/20/javascript-select-multiple-dropdown-items/
*/
function getmultiplevalues(input)
{
var opt = input;
var numofoptions = opt.length;
var selValue = new Array;
var j = 0;
for (i=0; i<numofoptions; i++)
{
if (opt[i].selected === true)
{
selValue[j] = opt[i].value;
j++
}
}
selValue = selValue.join("+")
return selValue;
} |
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| Posted: Wed Aug 26, 2009 8:15 pm Post subject: [solution] Prototype Javascript: Select Multiple Dropdown Items (values) |
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| Posted: Wed Aug 26, 2009 8:15 pm Post subject: [solution] Prototype Javascript: Select Multiple Dropdown Items (values) |
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