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/ 10 Years ago, tue, december 2, 2014, 12:00:00
I have a HTML Multi select box
<form action=form_action.php method=Post>
<select name=cars[] multiple id=select_id>
<option value=all id=option_id>All</option>
<option value=volvo>Volvo</option>
<option value=saab>Saab</option>
<option value=opel>Opel</option>
<option value=audi>Audi</option>
</select>
<input type=submit>
</form>
What I am trying to do is check if option All is selected or not in jQuery.
What I have tried is
<script>
$(document).ready(function()
{
$('#option_id')
.click(
function()
{
if ($(#select_id option[value='all']).length == 0) { //value does not exist so add
//Do something if not selected
}
else
{
//DO something if selected
}
//$(#select_id option:selected).removeAttr(selected); //Remove
//$(#select_id option).attr('selected', 'selected'); //Add
}
);
});
</script>
But it is not working.
Can anyone help me please?
Thanks in advance for helping.
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