Working with TypeScript and the latest ECMAScript 6 feature Promise at the moment. I'm wondering if it's possible to use Promise even if my TypeScript code is compiled into an ECMAScript 3 js-file, considering that Promise wasn't available in that version.
If you need to support older browsers, consider using a polyfill:
https://www.npmjs.com/package/es6-promise-polyfill
To add the polyfill:
bower install es6-promise-polyfill
Then, include it in your code like this:
<script src="bower_components/es6-promise-polyfill/promise.min.js"></script>
<script>
var promise = new Promise(...);
</script>
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Currently, I am in the process of converting my express nodejs project from JavaScript to TypeScript. One of the changes I've made is renaming the file extension and updating 'var' to 'import' for "require()". However, there seems ...