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ES6 async/await
// We can also use async/await which is a Syntactic Sugar For Promises
var addC = function (a, b) {
return new Promise((resolve, reject) => {
setTimeout (() => {
resolve(a + b);
}, 0);
});
};
// your code using async functions is much more like using standard synchronous functions
// Note you should only use `await` inside a function that is declared as `async function`
async function main () {
var r1 = await addC(1, 1);
var r2 = await addC(r1, 1);
var r3 = await addC(r2, 1);
console.log(r3);
}
main();
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