$('#control').focus()
 

document.getElementById('control').focus()
 

<form action="" id="frm">
		<legend>Mi formulario</legend>
			<div class="controles">
				<label for="">etiqueta 01</label>
				<input type="text">
 
			</div>
			<div class="controles">
				<label for="">etiqueta 02</label>
				<input type="text">
 
			</div>
			<div class="controles">
				<label for="">etiqueta 03</label>
				<input type="text">
 
			</div>
	</form>
 
 

		.controles label, .controles input
		{
			display:inline-block;
			vertical-align:top;	
		}
		.controles input
		{
			margin-left:30px;
			width:250px;
		}
		.controles label
		{
			font-family:monospace;
		}
		legend
		{
			font-weight:bold;
			font-family: monospace;
		}
 

  display:inline-block;
  vertical-align:top
 

JSON.parse(res)