title: jQuery, same function for multiple ids
body: <p>i want to clear specified input if the value is not number. function works for one ID, but i want it to work for multiple. of course i can write function multiple times but i dont want to do that.</p>
  
  <p>the following code gets effect only for input with id "d". i dont know how to identify other ids. can anyone help?</p>
  
  <pre><code>&lt;input id="d" /&gt;
  
  &lt;input id="d2" /&gt;
  
  &lt;input id="d3" /&gt;
  
  &lt;script type="text/javascript"&gt;
  
  $('#d,d2,d3').keyup(function(){
  
  if($('#d,d2,d3').val() != "") {
  
      var value = $('#d,d2,d3').val().replace(/^\s\s*/, '').replace(/\s\s*$/, '');
  
      var intRegex = /^\d+$/;
  
      if(intRegex.test(value)) {}
  
      else {
  
  
      $(this).val('');
  
      }
  
  
  
  }
  
  });
  
  &lt;/script&gt;
  </code></pre>