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ryuheechul/no-concurrency-promise.js

Created February 21, 2018 08:22
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an example of no concurrency in JS Promise
Raw
no-concurrency-promise.js
function printTo100(n) {
for (i in [...Array(100).keys()]){
console.log(`${n}-${i}`)
}
return Promise.resolve()
}
Promise.all(
printTo100('a'),
printTo100('b'),
printTo100('c'),
printTo100('d'),
printTo100('e'),
printTo100('f')
)
// The result is aaa...bbb...ccc not abcabcabc...
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ryuheechul commented Feb 21, 2018 •
edited

https://developer.mozilla.org/en-US/docs/Web/JavaScript/EventLoop

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