title: How to change selected item in jQuery
body: <p>Hi I wrote that html codes and I want change selected item by using jQuery</p>
  
  <pre><code>&lt;select id="slc"&gt; 
  &lt;option value="1"&gt;1&lt;/option&gt;
  &lt;option value="2"&gt;2&lt;/option&gt;
  &lt;option value="3"&gt;3&lt;/option&gt;
  &lt;/select&gt;
  </code></pre>
  
  <p>I tried this but I can't change</p>
  
  <pre><code>$("#slc").val("2");
  
  $("#slc").prop("selectedIndex", 1);
  </code></pre>