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  1. 术语表
  2. Null
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Table of contents

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Null

在计算机学科, null 值一直是一个被讨论点,通常来说,表示一个不存在或者无效object或者地址引用。语言实现中空引用的含义各不相同。

在 JavaScript,null是  原始值  之一

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一般知识

  • 维基百科空指针 

技术参考

  • JavaScript数据类型和数据结构
  • JavaScript 全局对象: null

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Last modified: Apr 23, 2021, by MDN contributors

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