refresh a div only in javascript code example

Example 1: relode div

function updateDiv()
{ 
    $( "#here" ).load(window.location.href + " #here" );
}

Example 2: ajax data not reflecting after refresh particular div jquery

$(document).ready(function() {
$.ajaxSetup({ cache: false });
setInterval(function() {
$('#loaddiv').load('teste.asp');
}, 1000);
});