fetchmodel.fetch([options])
Merges the model's state with attributes fetched from the server by delegating to Backbone.sync. Returns a jqXHR. Useful if the model has never been populated with data, or if you'd like to ensure that you have the latest server state. Triggers a "change"
event if the server's state differs from the current attributes. fetch
accepts success
and error
callbacks in the options hash, which are both passed (model, response, options)
as arguments.
// Poll every 10 seconds to keep the channel model up-to-date. setInterval(function() { channel.fetch(); }, 10000);
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