[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: Maximally Consumable Data
Hi Mukul, > IMHO, what's different (great) about this scenario? I need to give more detail about how it works. A JavaScript Ajax application that is running in a browser can only fetch data from the domain that it came from. It does this using the XMLHttpRequest object. Quoting now from Bulletproof Ajax: "We can't use XMLHttpRequest to access the Web APIs offered by so many sites these days. That's a real shame because most APIs return their data in XML, which would be available in responseXML. The script element has no such security restrictions. It's possible to access a JavaScript file from another domain in this way: <script type="text/javascript" src="http://www.xfront.com/us_states/json/javascript/us_states.js"></sc ript> If you can request a JavaScript file from another domain, then you can also request a JSON file. Remember, JSON is nothing more than JavaScript." -- the author shows how this can be generated dynamically -- Thus, through this technique, the JavaScript running in your browser can pull in data from any web service that serves up JSON (such as the Yahoo web services). /Roger
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