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优化了 async 函数内部报错会导致 Promise 对象变为reject
状态的例子
原来的例子并不能很明显的表示打印的内容来自于 reject 的回调。
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@ -184,10 +184,10 @@ async function f() {
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}
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f().then(
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v => console.log(v),
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e => console.log(e)
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v => console.log(‘resolve’,v),
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e => console.log('reject',e)
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)
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// Error: 出错了
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//reject Error: 出错了
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```
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### Promise 对象的状态变化
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