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ShikChen/async_timing.js

Created May 25, 2018 13:46
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async_timing.js
const sleep = (sec) => new Promise(resolve => setTimeout(resolve, sec * 1000))
async function foo() {
console.log(1)
await sleep(1)
console.log(2)
}
(async () => {
foo().then(() => console.log(3))
console.log(4)
})()
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