<!doctype html>
<html>
<head>
<script src="js/jquery/1.11.3/jquery.min.js"></script>
</head>
<body>
<button id="id-button">click</button>
<input id="id-input-1" type="text" value="some text 1">
<input id="id-input-2" type="text" value="some text 2">
<script>
$( "#id-button" ).click(function() {
$( "#id-input-2" ).trigger( "focus" );
});
</script></body>
</html>