17 lines
251 B
JavaScript
17 lines
251 B
JavaScript
// 下面代码的输出结果是什么
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new Promise((resolve, reject) => {
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resolve();
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})
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.then((res) => {
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console.log(res.toString());
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return 2;
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})
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.catch((err) => {
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return 3;
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})
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.then((res) => {
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console.log(res);
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});
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