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// Promise<number>
var promisedNumber = new Promise(function asyncUnitOfWork(fulfill, reject) {
setTimeout(function () {
reject(new Error('Could not produce number'))
}, 1000)
});
console.log('start')
promisedNumber.then(
function onFulfilled(value) {
console.log('value: ', value)
},
function onRejected(err) {
console.log('error: ', err.message)
}
)
console.log('finish')
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