title: jquery variable in input name selector
body: <p>I want to use variable in jquery selector to choose checked input and my code is below.
  what is wrong here?</p>
  
  <pre><code>function MyFunction(MyVariable){
  var idAddress = $("input[name='id_address_" +MyVariable+ "']:checked").val();
  alert(idAddress);
  }
  </code></pre>