Created
February 21, 2014 14:11
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jQuery promise pattern
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function doStuff(flag) { | |
var deferred = $.Deferred(); | |
var err = null, | |
data = null; | |
if (flag) { | |
setTimeout(function() { | |
data = ["2", "2"]; | |
deferred.resolve(err, data); | |
}, 5 * 1000) | |
} else { | |
setTimeout(function() { | |
err = "Error msg goes here"; | |
data = null; | |
deferred.resolve(err, data); | |
}, 5 * 1000) | |
} | |
return deferred.promise(); | |
} | |
(function() { | |
var promiseTrue = doStuff(true); | |
console.log("promiseTrue created.."); | |
promiseTrue.done(function(err, data) { | |
console.log(err); | |
console.log(data); | |
}); | |
var promiseFalse = doStuff(false); | |
console.log("promiseFalse created.."); | |
promiseFalse.done(function(err, data) { | |
console.log(err); | |
console.log(data); | |
}); | |
})(); |
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