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Clear input field using jasny inputmask?

I use jasny bootstrap with inputmask to validate input.

http://jasny.github.io/bootstrap/

Having the following code.

<input id="foo" type="text" class="form-control" data-mask="999-99-999-9999-9" placeholder="ISBN">

How can I clear the value of the input field? I have tried the following:

$("#foo").val('');

It doesn't clear the value. The previously entered value is still there. It feels like the jasny inputmask object has some state, which I'm unsure how to reset.

All u need to do is use html code

<input id="foo" type="text" class="form-control" data-mask="999-99-999-9999-9" placeholder="ISBN">
<input type="button" id="clear" value="clear">

and the script

<script type="text/javascript">
 $(document).ready(function() {
  $("#clear").click(function(){
   $("#foo").val("");
  });
 });
</script>

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