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【JS进阶】你真的掌握变量和类型了吗
source link: https://juejin.im/post/5cec1bcff265da1b8f1aa08f
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导读 变量和类型是学习JavaScript最先接触到的东西，但是往往看起来最简单的东西往往还隐藏着很多你不了解、或者容易犯错的知识，比如下面几个问题： JavaScript中的变量在内存中的具体存储形式是什么？ 0.1+0.2为什么不等于0.3?发生小数计算
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