<p>I am using the new JavaScript promise as described <a target='_blank'  href="https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Promise">here</a>. My question is how do you support older browsers? Is there any light weight promise polyfill available that you guys use?</p>


I am using the new JavaScript promise as described [here](https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Promise). My question is how do you support older browsers? Is there any light weight promise polyfill available that you guys use?

What's the best Promise polyfill in JavaScript?

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