Browsing Chinese (Simplified) translation

528.

If a Deferred already has a result available, addCallback <strong>may</strong> call the callback synchronously: that is, immediately after it's been added. In situations where callbacks modify state, it is might be desirable for the chain of processing to halt until all callbacks are added. For this, it is possible to <code>pause</code> and <code>unpause</code> a Deferred's processing chain while you are adding lots of callbacks.