base/JavaScript%E4%BD%9C%E7%94%A8%E5%9F%9F #15
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欢迎👏🏻 |
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base/JavaScript%E4%BD%9C%E7%94%A8%E5%9F%9F
引言 在 JavaScript 中,作用域是指变量在代码中可访问的范围。理解 JavaScript 的作用域和作用域链对于编写高质量的代码至关重要。本文将详细介绍 JavaScript 中的词法作用域、作用域链和闭包的概念,并探讨它们在实际开发中的应用场景。 1. 词法作用域 1.1 概念 词法作用域是 JavaScript 中最常见的作用域类型。它是...
https://www.coding-time.cn/base/JavaScript%E4%BD%9C%E7%94%A8%E5%9F%9F.html
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