Bindings, Platforms, and Innovation
This presentation focuses on the Internet and separating myth from fact, history from the future, and the mundane from the imaginative. Bob Frankston presents a vision of what could and should be.
Tracking change and innovation in the enterprise software development community
Posted by Matthew Bass on May 30, 2008 09:07 AM
PersistJS was released last week by Paul Duncan. It's a JavaScript framework enabling client-side data storage. Such storage is primarily used by web applications that are capable of running offline. PersistJS has several advantages over other frameworks that perform client-side storage.var store = new Persist.Store('My Data Store');
var data = "some arbitrary data of varying length";
store.set('saved_data', data);
Retrieval requires a callback, but is just as easy:
store.get('saved_data', function(ok, val) {
if (ok) alert('saved data = ' + val);
});
Dojo Storage and Google Gears also provide client-side storage. Relying on a browser plugin like this can be problematic though, because not everyone will have the plugin installed.
There are several other differences worth noting as well.
Dojo Storage
Google Gears
Aside from storage, Gears also supports client-side searching. MySpace made an announcement at the Google I/O conference in San Francisco this week that they are now using Gears for message searching. Up until now, users had to page through their messages to find what they were looking for. With the Gears solution in place, full-text searches are performed on the client side. Searches are also live, bringing back results as the user types in terms.
Note that PersistJS supports a number of different backends, including Gears. The advantage that PersistJS gives in this case is a consistent API that will remain the same if the backend is changed.
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