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JavaScript: Difference between revisions
→Promises
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===Promises=== | ===Promises=== | ||
Added in ES2015 (ES6)<br> | |||
See [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise Promises]<br> | See [https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise Promises]<br> | ||
In general, a function returns a promise if it needs to perform asyncronous tasks.<br> | In general, a function returns a promise if it needs to perform asyncronous tasks.<br> | ||
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}); | }); | ||
</syntaxhighlight> | </syntaxhighlight> | ||
===Async-await=== | |||
Added in ES2017<br> | |||
See [https://developer.mozilla.org/en-US/docs/Learn/JavaScript/Asynchronous/Async_await Async_await]<br> | |||
Async functions return implicit promises. They allow you to use keyword <code>await</code> to get results from other promises or functions. | |||
==Compilation== | ==Compilation== | ||