Basic Ajax Cache Issue

Question

I have a single page that I need to on occasion asynchronously check the server to see if the status of the page is current (basically, Live or Offline). You will see I have

Answer 1

Use the cache option of $.ajax() to append a cache breaker to the URL, like this:

$.ajax({
    type: 'get',
    url: '/live/live.php',
    dataType: 'json',
    cache: false,
    //success, etc.
});

If that doesn't resolve it...look at firebug, see if a request is being made (it should be after this for sure), if it's still getting an old value, the issue is in PHP, not JavaScript.

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Unrelated to the issue, just a side tip: If you need no parameters, you can skip the anonymous function call, this:

setTimeout(function() { checkLive() } ,15000);

can just be:

setTimeout(checkLive, 15000);