Is Coffeescript + ES6 Promise compatible with different browsers?

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1

There is Meteor project with coffeescript@1.11.1_4 package. Now we use jquery implementation of Promise to chain some asyncronous operations on client

Can I use es6 Promise on a client with coffeescript and will it be compatible with different browsers? Does meteor transpile Promise to es5 code as it does with coffeescript?

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If you have the ecmascript package installed, which you should, then yes Meteor polyfills promises: https://atmospherejs.com/meteor/ecmascript#polyfills

You can use both CoffeeScript and promises. As long as you have both the coffeescript and ecmascript packages installed, Meteor will take care of the rest.

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