What I've done, I've saved the project and remember I have to worry about cross-domain scripting, so I'm saving the project to disk, not just the project but all of the source files coming here to run and share, save it to disk and I'm going to save it here as XHR. I've saved it before and I'll be asked if I want to overwrite it and I do and now what I'm going to do is to go in and move it up to my website so that's in the right place so that it should be able to run properly. I've already done that offline and I'll come down here into the browser. I've typed in the URL and now let me see what happens when I try to run it. What happens is that I get that alert that's left in the code that presents the value to me, 928678, which we saw previously. It is the value that I've parsed out of the file. So, it's working. It's doing what I want it do, almost, because what I wanted to do isn't really to put up that alert. What I want to do is to set this field Currency Result and to set its value with X, which is what I've parsed out of that code. So, I'm going to leave the alert in there just in case I need it for debugging and now, I'm going to do is set that field to the value of X and I'll go through the same process. I'll save it then I'll come to run and share, save it to disk, move it up to the web server and we'll see what we have. I've saved it down here, saved it to disk. I've come back into the browser. I still have the URL in there and so I don't have to bother with typing it and I will now press Return and go to that URL and see what happens when I've taken out the alert. The alert is gone and I'm taking that code that I've retrieved from that external XML file that I've gotten through XMLHttpRequest and put it into an interface element into the field of the iPhone web app and that's the cycle that I wanted to show you here, how you can use XMLHttp to get data from a source and put it into a field on the interface. We saw it previously how you could do it with data sources and how you could do it with built-in data base. Here's how you can use XMLHttpRequest to do it, but there are many other ways in which you might to use this, so now let's explore some of the other ways in which you might want to do this.
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