[解決済み] jQuery get selected option value (not text, but the attribute 'value') 選択されたオプションの値を取得する。

//ways to retrieve selected option and text outside handler
console.log('Selected option value ' + $('select option').filter(':selected').val()); 
console.log('Selected option value ' + $('select option').filter(':selected').text());

$('select').on('change', function () {
  //ways to retrieve selected option and text outside handler
  console.log('Changed option value ' + this.value);
  console.log('Changed option text ' + $(this).find('option').filter(':selected').text());
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<select>
  <option value="1" selected>1 - Text</option>
  <option value="2">2 - Text</option>
  <option value="3">3 - Text</option>
  <option value="4">4 - Text</option>
</select>