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Could you point how to make a control initially not visible to be presented since it has a value?

Hi Experts

Could you point how to make a control initially not visible to be presented since it has a value?

 <div class="col-xs-4 mb20 custo" style="display: none;">
	<label for="custo" class="field-label text-muted mb10">Custo</label>
	<div class="input-group">
		<span class="input-group-addon">
			<i class="fa fa-money c-gray"></i>
		</span>
		<span class="validar">
			<input type="text" name="custo" class="custo form-control gui-input br-light light" placeholder="">
		</span>
	</div>
</div>
</div>

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Then in jQuery - the value isn't presented.
if ($('.custo').val()) $('.custo').show();   

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Any workaround?

Thanks in advance.
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Eduardo Fuerte
Asked:
Eduardo Fuerte
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1 Solution
 
Julian HansenCommented:
if ($('.custo').val() == '') $('.custo').show();

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BUT
Be careful because your selector is a class. If you have two controls with class .custo then the above will check the first one - and if it is blank will show all of them
Consider these two examples
HTML 1
  <input type="text" class="test" style="display: none" value="3" />
  <input type="text" class="test" style="display: none" />

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HTML 2
  <input type="text" class="test2" style="display: none" />
  <input type="text" class="test2" style="display: none" value="3" />

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jQuery
$(function() {
  if ($('.test').val() == '') $('.test').show();
  if ($('.test2').val() == '') $('.test2').show();
});

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In the first both will be hidden.
In the second both will be visible.
Working sample here
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Eduardo FuerteAuthor Commented:
Hi

I use the textbox as a class in 02 modals - since the values will be the same, no matter.

Accordingly to:
img001

 if ($('#edit. custo').val() != '0')
         {
            $('#edit .custo').show();
         }
    else 
    {
        $('#edit .custo').hide(); 
    }

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Eduardo FuerteAuthor Commented:
Hi Julian

After a better read on you example.
Just one thing that confused me a little.

The value must be presented if it has a value and doesn't if it hasn't a value.

So the comprehension must to be inverted.
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Julian HansenCommented:
Then == becomes != and the example output switches around but the principle is the same.

Here is the same sample with the logic inverted - does this make more sense?
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Eduardo FuerteAuthor Commented:
Perfect explained.

Thank you for assistance!
0
 
Julian HansenCommented:
You are welcome.
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