title: Select2 dropdown issue with iphone
body: <p>I am using select2 dropdown in my web-application. </p>
  
  <pre><code>$("#dropdownId").val("value").trigger("change");
  </code></pre>
  
  <p>Above statement works fine when application opens in other browsers. it works even when i set device as iphone in crome's developer's tool. but when i actually opens web-application in IPhone it shows dropdown values as blank.</p>
  
  <p>can anyone help me to solve this issue ? </p>
  
  <p>One more question is all disabled fields are showing very light grey colored in iphone even i have put inline css color as black but still it is not getting effect of it. Please help how these can be solved.</p>
  
  <p>Thanks</p>