Async e await com JavaScript: entenda e use agora
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The document discusses the use of async/await in JavaScript, highlighting its importance within the ECMAScript specifications, particularly in ES2015 and ES2017. It includes examples of asynchronous function definitions and promises, demonstrating the syntax and structure of async functions. Additionally, it references various resources for further exploration of the topic.
![function* fibonacci() {
let [fn1, fn2] = [0, 1];
while (true) {
yield fn1;
[fn1, fn2] = [fn2, fn2 + fn1];
}
}
for (const n of fibonacci()) {
if (n === 927372692193079200000) break;
process.stdout.write(`${n} `);
}](https://image.slidesharecdn.com/asynceawait-entendaeuseagora-170724143342/85/Async-e-await-com-JavaScript-entenda-e-use-agora-12-320.jpg)
Async e await com JavaScript: entenda e use agora
- 1. w w w. l a m b d a 3 . c o m . b r Async e Await entenda e use agora!
- 2. Giovanni Bassi • Programador • MVP • Não gerente • Trouxe a Scrum.org, PSM e PSD pro Brasil • blog.lambda3.com.br, podcast.lambda3.com.br, dotnetarchitects.net, nodebr, dockersp • @giovannibassi • Escalador e ciclista
- 4. podcast.lambda3.com.br 0 – Eventos 1 – Docker 2 – .NET Core RC2 3 – Git 4 – Estudo 5 – Open Source 6 – Xamarin 7 – Node.js 8 – Democracia organizacional 9 – O programador poliglota ... Toda semana em:
- 6. Callbacks Promises com bibliotecas (q, bluebird, etc) Promises e Generators Async/Await EcmaScript 1 (ES1 - 1997) 2010 EcmaScript 2015 (ES6) EcmaScript 2017 (ES8) Function Expressions EcmaScript 3 (ES3 - 1999)
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- 12. function* fibonacci() { let [fn1, fn2] = [0, 1]; while (true) { yield fn1; [fn1, fn2] = [fn2, fn2 + fn1]; } } for (const n of fibonacci()) { if (n === 927372692193079200000) break; process.stdout.write(`${n} `); }
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- 32. async function f1(){ await f3(); }
- 33. const f3 = async() => await f2; const f2 = async function (){ await f1(); }
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- 42. tc39.github.io/ecma262/2017/#sec-async-function-definitions github.com/tc39/ecmascript-asyncawait github.com/giggio/asyncawaitsamples
- 43. w w w. l a m b d a 3 . c o m . b r Dúvidas?
- 44. w w w. l a m b d a 3 . c o m . b r Obrigado!