As it seems you want your tb1 global, remove the "var" for declaring
it.
Also, your alert(tb1) is likely to be executed before tb1 is defined.
You need to put your alert in the callback function if you want to be
sure it works.
On Jul 9, 2:47 pm, Vaidotas Zemlys <zem...@gmail.com> wrote:
> Hi,
>
> When trying out jquery, I ran into seemingly very simple problem. I
> did a search on internet and did not get any satisfactory result. I am
> suspecting that the mistake is very simple, so anyone more experienced
> can help me.
>
> What I am trying to do is load data from server, then present it in
> the table, and plot it later. Since I am intending to use flot plugin,
> and it accepts arrays as an argument, I thought that I load the file,
> save it to some array, and then plot it when time comes (when user
> presses something, etc.) So my javascript code goes like this:
>
> <script type="text/javascript" src="js/jquery-1.3.2.js"></
> script>
> <script type="text/
> javascript">
> var tb1=[];
> $(document).ready(function() {
> $.post("data/echocsv.php", function(text) {
> tb1=text.split("\n");
> })
> alert(tb1);
> });
> </script>
>
> echocsv.php is very simple, it just grabs csv file (text file) and
> returns it:
> <?
> $ff=file_get_contents("data.csv");
> echo $ff;
> ?>
>
> Yet when I run this script, nothing happens. If I move the alert into
> callback function, then everything is alright. I understand that it is
> possible that ajax query is not performed before the alert. But I did
> not find out how to know when the query is succesfull. From examples
> in the web I saw, that .ajax call is more frequently used, maybe I
> should use it also?
>
> Thanks for any help,
>
> Vaidotas
