bootstrap-select: Initialize with JS

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.10.0/js/bootstrap-select.min.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.10.0/css/bootstrap-select.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<select class="selectpicker show-tick">
  <option data-hidden="true">Select</option>
  <option data-subtext="AUS" selected>Australia</option>
  <option data-subtext="INA">Indonesia</option>
  <option data-subtext="IND">India</option>
  <option data-subtext="GBR">United Kingdom</option>
  <option data-subtext="USA">United States of America</option>
</select>

CSS

.bootstrap-select .dropdown-menu>li>a small.muted {
  display: none;
}

JavaScript

$(document).ready(function() {
  $('.selectpicker').selectpicker();
  
  $('.bootstrap-select').on('mouseenter', function(e){
     console.log($(this).find('select').val())
  })
});