defer (label) Object
static
RSVP.defer
returns an object similar to jQuery's $.Deferred
. RSVP.defer
should be used when porting over code reliant on $.Deferred
's interface. New code should use the RSVP.Promise
constructor instead.
The object returned from RSVP.defer
is a plain object with three properties:
- promise - an
RSVP.Promise
. - reject - a function that causes the
promise
property on this object to become rejected - resolve - a function that causes the
promise
property on this object to become fulfilled.
Example:
var deferred = RSVP.defer(); deferred.resolve("Success!"); deferred.promise.then(function(value){ // value here is "Success!" });
Parameters:
-
label
String
- optional string for labeling the promise. Useful for tooling.
Returns:
-
Object
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