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November 10, 2017 13:24
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Promise.reject('error #1') | |
.then(value => console.log('level-1:', value), error => console.log('level-1-error:', error)) | |
.catch(error => console.log('error in catch:', error)) | |
.finally(() => console.log('finally')) | |
.then(value => console.log('level-2:', value), error => console.log('level-2-error:', value)); | |
// level-1-error: error #1 | |
// finally | |
// level-2: undefined | |
Promise.reject('error #2') | |
.then(value => console.log('level-1:', value), error => console.log('level-1-error:', error)) | |
.then(value => { | |
console.log('level-2:', value); | |
return Promise.reject('error #next'); | |
}, | |
error => console.log('level-2-error:', error)) | |
.catch(error => console.log('error in catch:', error)) | |
.finally(() => console.log('finally')) | |
.then( | |
value => console.log('level-3:', value), | |
error => console.log('level-3-error:', error) | |
); | |
// level-1-error: error #2 | |
// level-2: undefined | |
// error in catch: error #next | |
// finally | |
// level-3: undefined |
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