Ajax Heartbeat using setInterval, Preventing multiple calls at the same time

Question

I wish to make an AJAX call using jQuery as a \"heartbeat\" in the background so that my web application can check for new data. For example every 10 seconds.

I hav

Answer 1

try setting another timeout from your ajax success function:

function poll() {
    setTimeout( function() {
        $.ajax(.......).success( function(data) {
            poll();  //call your function again after successfully calling the first time.
        });
    }, 10000);
}