Brad Neuberg had developed this thing called Purple Include.
http://codinginparadise.org/weblog/labels/purple%20include.html
I don't know if it's a good idea or not but its very interesting and
achieves this goal.
Glen
On 8/27/07, Pops <[EMAIL PROTECTED]> wrote:
>
>
> Hogsmill,
>
> The idea is simple,
>
> First you have to be able to PULL "something" from the other side that
> when your web pages gets it, it RUNS something.
>
> Having this already in your web page:
>
> <script ... src="http:\\abc.com"></script>
>
> works, but only when you first load your page.
>
> The idea of AJAX is to allow you to dynamic add/do more stuff after
> the page is loaded.
>
> Ajax has the security restriction to do cross domain because the AJAX
> library implementations like jQuery are designed to "EVAL()" any
> scripts that is part of the AJAX response.. This is dangerous because
> all this can be done without your PERMISSION.
>
> But what if you trust the site?
>
> Using Javascript and DOM, youcan inject a SCRIPT tag into your web
> page. Once you inject it, the browser will automatically run it. Call
> this your "PERMISSION" block. Since you created it, not the remote
> domain, you are giving permission to run something on your end.
>
> This is how you inject SCRIPT tag:
>
> var script_call = document.createElement("script");
> script_call.type = "text/javascript";
> script_call.src = "http://abc.com";; // <<<< REMOTE DOMAIN
> $("head")[0].appendChild(script_call);
>
> Once you do this, the browser will run it.
>
> Now, it doesn't make sense if the "data" that is received from
> http://abc.com
> isn't javascript itself, and that part of this is suppose to do
> something for you.
>
> So if it only had:
>
> alert("hi there!");
>
> that is all you will get. It has to be meaningul so people use the
> JSON format as a way to pass data to you. Its doesn't have to be, but
> its a easy format to use.
>
> The script that comes from http://abc.com can have one line:
>
> ProcessData(json_data)
>
> ProcessData() can be your function that you already have or it came in
> the block too:
>
> function ProcessData(json) {
> ...
> }
>
> ProcessData(json_data)
>
> Remember, it doesn't have to be json:
>
> function ProcessData(s) {
> alert(s);
> }
>
> ProcessData("hi there")
>
> JSON justs give you a easy format to pass data.
>
> Once youi get the data, you can "paint" it into your web page
> dynamically.
>
> So thats pretty much it.
>
> --
> HLS
>
>
> On Aug 27, 4:29 am, hogsmill <[EMAIL PROTECTED]> wrote:
> > Hi Jon,
> >
> > Cheers for that....
> >
> > 1) When is 1.2 out?
> >
> > 2) I'm quite comfortable using JSON, so that's excellent news. When
> > you say 'working with scripts', tho', what do you mean, exactly? Do
> > you mean just JavaScript, and not PHP, etc., or something different?
> >
> > Cheers in advance,
> >
> > On Aug 26, 9:17 pm, "John Resig" <[EMAIL PROTECTED]> wrote:
> >
> > > Unfortunately, no. This is a limitation in all browsers in order to
> > > limit security concerns. In jQuery 1.2 you'll be able to do
> > > cross-domain Ajax, but only if you're working with Scripts or JSON
> > > data.
> >
> > > --John
> >
> > > On 8/26/07, hogsmill <[EMAIL PROTECTED]> wrote:
> >
> > > > Hi All,
> >
> > > > Has anybody used jquery for cross-domain xmlHttp (AJAX) requests? Is
> > > > this supported by jquery.
> >
> > > > When I say cross-domain, I mean (say)http://abc.comdoingan xmlHttp
> > > > request tohttp://def.com
> >
> > > > Cheers in advence- Hide quoted text -
> >
> > > - Show quoted text -
>
>
