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wujunchuan/index.html

Created April 13, 2020 03:28
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Document // source https://jsbin.com/neluxit
Raw
index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>
<script id="jsbin-javascript">
console.clear();
Promise.all([Promise.resolve({
code: 200,
list: []
}), Promise.reject({
code: 500,
msg: 'Sever error'
})]).then(res => {
console.log(res)
}).catch(e => {
console.log(e)
})
Promise.allSettled([Promise.reject({
code: 500,
msg: 'Server error'
}), Promise.resolve({
code: 200,
list: []
})]).then(res => {
console.log(res[0]);
}).catch(e => {
console.log(e)
})
</script>
<script id="jsbin-source-javascript" type="text/javascript">console.clear();
Promise.all([Promise.resolve({
code: 200,
list: []
}), Promise.reject({
code: 500,
msg: 'Sever error'
})]).then(res => {
console.log(res)
}).catch(e => {
console.log(e)
})
Promise.allSettled([Promise.reject({
code: 500,
msg: 'Server error'
}), Promise.resolve({
code: 200,
list: []
})]).then(res => {
console.log(res[0]);
}).catch(e => {
console.log(e)
})</script></body>
</html>
Raw
jsbin.neluxit.js
console.clear();
Promise.all([Promise.resolve({
code: 200,
list: []
}), Promise.reject({
code: 500,
msg: 'Sever error'
})]).then(res => {
console.log(res)
}).catch(e => {
console.log(e)
})
Promise.allSettled([Promise.reject({
code: 500,
msg: 'Server error'
}), Promise.resolve({
code: 200,
list: []
})]).then(res => {
console.log(res[0]);
}).catch(e => {
console.log(e)
})
@wujunchuan
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Author

The new allSettled behaves differently. It resolves whenever all of the promises finished working, that is, became either fulfilled or rejected. It resolves to an array that contains both the status of the promise and what it resolved to (or an error).

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