how to refresh particular div on master page by javascript

Question

how to refresh particular div on master page by javascript?
in that div i have one label which display the total number of records.. i want to update it continously without reload the whole page
for example, facebook notification..

Jignesh Trivedi · Answer

hi, Jquery has load method for div. if you have url and from this url you want to refresh div than you can use this option. Please refer for more info.
http://api.jquery.com/load/ hope this will help you.

Hardik Patel · Answer

but i want to do it with webmethod to refresh div

Jaganathan Bantheswaran · Answer

Hi,
CSS:
.text {
color: Green;
font-weight: bold;
}
JS:
var elem = $('.text');
var count = 0;
function updateLabel() {
elem.html(count++);
}
updateLabel();
// span will be updated 2 seconds once.
myCounter = setInterval(updateLabel, 2000);
HTML:
Some text
Here is an live example

Jaganathan Bantheswaran · Answer

In that article,
function UpdPanelUpdate(value)
{
var obj = document.getElementById(" ");
obj.value=value;
__doPostBack(" ","");
}
//Add this line
setTimeout(UpdPanelUpdate, 50); // executes UpdPanelUpdate function at every 50 milli seconds.

Hardik Patel · Answer

but i want to auto refresh it..not by any event

Jaganathan Bantheswaran · Answer

Hi,
You can use UpdatePanel.
Here is an example