Thanks for the hint, have a nice holiday!

Hi all.
I had this workaround working up to 2.73. Now in 3.x it is not working anymore, I believe that the different structure of the template has some role in it.
I used the following code to hide the textbox for a certain subquestion (inputNum) of the multiple short text question

$('#question'+qID+' div.question-item:eq('+(inputNum-1)+') input.text').hide();

and the following to change it with a dropdown list (in this case named "prov1")

$('#question'+qID+' div.question-item:eq('+(inputNum-1)+') input.text').before(prov1);

Could you please tell me what I should change to make this work again ?

I suspect it is the "div" part put dunno understand how to fix it.

Thank you very much!

Can you provide the complete script that you have added?

Absolutely yes!
It follows. I have just shortened the full lists of items in the dropdown box as they are really long.
Please note that I have also chenged the $(document) code for v 3.0.
Thank you very much!

What is your current address ? <script type="text/javascript" charset="utf-8">
$(document).on('ready pjax:complete',function()
{
var qID = 453;
var inputNum = 4;
// Define the select element (dropdown)
var prov1 = '<select id="prov1" class="form-control list-question-select">\
<option value="">-- Choose the province --</option>\
<option value="P1">PROVA</option>\
<option value="P2">PROVB</option>\
<option value="P3">PROVC</option>\
<option value="P4">PROVD</option>\
<option value="P5">PROVE</option>\
<option value="P6">PROVF</option>\
<option value="P7">PROVG</option>\
</select>';
// Hide the text input
$('#question'+qID+' div.question-item:eq('+(inputNum-1)+') input.text').hide();

// Insert the select elements
$('#question'+qID+' div.question-item:eq('+(inputNum-1)+') input.text').before(prov1);

// Initially select an option if the question has already been answered
if($('#question'+qID+' div.question-item:eq('+(inputNum-1)+') input.text').val()) {
$('#question'+qID+' div.question-item:eq('+(inputNum-1)+') select').val($('#question'+qID+' div.question-item:eq('+(inputNum-1)+') input.text').val());
}
// Listener on the dropdowns - insert selected values into hidden text input
$('#question'+qID+' select').change(function() {
$(this).next('input.text').val($(this).val());
});
// Some styles
$('#question'+qID+' select').css({
'margin':'0.3em 0 0 1em'
});
var qID2 = 453;
var inputNum2 = 5;
// Define the select element (dropdown)
var select1 = '<select id="select1" class="form-control list-question-select"> \
<option value="">-- Choose the country --</option> \
<option value="AF">Afghanistan</option>\
<option value="AL">Albania</option>\
<option value="DZ">Algeria</option>\
<option value="AD">Andorra</option>\
<option value="AO">Angola</option>\
<option value="AI">Anguilla</option>\
<option value="AQ">Antartide</option>\
</select>';
// Hide the text input
$('#question'+qID2+' div.question-item:eq('+(inputNum2-1)+') input.text').hide();
// Insert the select elements
$('#question'+qID2+' div.question-item:eq('+(inputNum2-1)+') input.text').before(select1);

// Initially select an option if the question has already been answered
if($('#question'+qID2+' div.question-item:eq('+(inputNum2-1)+') input.text').val()) {
$('#question'+qID2+' div.question-item:eq('+(inputNum2-1)+') select').val($('#question'+qID2+' div.answer-container:eq('+(inputNum2-1)+') input.text').val());
}
// Listener on the dropdowns - insert selected values into hidden text input
$('#question'+qID2+' select').change(function() {
$(this).next('input.text').val($(this).val());
});
// Some styles
$('#question'+qID2+' select').css({
'margin':'0.3em 0 0 1em'
});
});
</script>

Sorry for the double post. Obviously, the qid/inputnum is related to my specific survey.

Try this:

It works !!! And it is much more efficient than before.
Thank you very much Tony, I think that this could be added again to the workarounds for 3.x
All the best!

Perfect! This worked for me too... life saver! Thank you!