

[译] 理解 JavaScript 中的 undefined
source link: https://juejin.im/post/5bf57e8ef265da612c5d8439
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在现代 JavaScript 代码中,应该推荐使用 undefined 还是 null?我们已经很熟悉 JavaScript 中 undefined 和 null 的区别,但实际代码中应该选择哪一个呢? 选择 undefined 的理由:…
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