jQuery variable increment ++ not working in script

I have this jQuery function that switches between different status messages (p elements) with ID's ranging from status_0 to status_5:

setTimeout(function() {
    var next_status;

    if (current_status < 5) {
        next_status = current_status++;
    } else {
        next_status = 0;

    $(".status_visible").fadeOut("fast", function() {


}, 10000);

My problem is that to start with, current_status definitely equals 0, but when it gets to my increment part, it comes out as 0 still! I tried this with a simple next_status = current_status + 1, which returned 01 instead of 1 (concatenated them), so I tried next_status = current_status++ and it returned 0 still.

Can anybody put me straight here please :)


next_status = ++ current_status;

The expression current_status++ means, "increment current_status, and evaluate to the old value of current_status," that is, use current_status, and then increment it after you note its value.

You want, ++current_status, which means, "increment current_status, and evaluate to the new value."

is your timeout method "setTimeout" going to be called multiple times? If so , you need to pass your counter as a parameter with global scope, otherwise it will be reset each time.

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