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| @@ -33,9 +33,11 @@ function Promise(fn) { | @@ -33,9 +33,11 @@ function Promise(fn) { | ||
| 33 | errback(promise._reason); | 33 | errback(promise._reason); |
| 34 | } | 34 | } |
| 35 | }) | 35 | }) |
| 36 | - | ||
| 37 | }; | 36 | }; |
| 38 | 37 | ||
| 38 | + this.catch = function(onRejected) { | ||
| 39 | + return promise.then(undefined, onRejected); | ||
| 40 | + }; | ||
| 39 | 41 | ||
| 40 | function resolve(value) { | 42 | function resolve(value) { |
| 41 | setTimeout(function(){ | 43 | setTimeout(function(){ |
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