Fix: Register hashchange event more cautiously. #165
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Registering a callback for the "hashchange" event should not occur, before the $.deck plugin was used by the consumer. Otherwise it will be executed, even if there are no slides to actually operate on.
I experienced this behaviour (let's call it a bug) in an app where hash changes did occur before the deck plugin was initialised. This seems to be limited to single page apps, where a dependency can be loaded, before
$.deck( ... )
was being called.