Select Option
by dcardoso
HTML
<select>
<option value="1">First option</option>
<option value="2">Second option</option>
<option value="3">Third option</option>
</select> <br />
<input type="button" id="changeOption" value="Select second option" />
JavaScript
$( '#changeOption' ).click(function(){
$( 'select' ).val( '2' );
});