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52. 为什么需要承诺 #69

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webVueBlog opened this issue Jun 9, 2022 · 0 comments
Open

52. 为什么需要承诺 #69

webVueBlog opened this issue Jun 9, 2022 · 0 comments
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深入理解JS核心技术

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Promise 用于处理异步操作。它们通过减少回调地狱和编写更简洁的代码为回调提供了一种替代方法。
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