JavaScript开发进阶的相关内容

文章 2017-11-13 来自：开发者社区

JavaScript 开发进阶：理解 JavaScript 作用域和作用域链（上）

作用域是JavaScript最重要的概念之一，想要学好JavaScript就需要理解JavaScript作用域和作用域链的工作原理。今天这篇文章对JavaScript作用域和作用域链作简单的介绍，希望能帮助大家更好的学习JavaScript。 JavaScript作用域　　任何程序设计语言都有作用域的概念，简单的说，作用域就是变量与函数的可访问范围，即作用域控制着变量与函数的可见性和生命周期。....

文章 2011-09-06 来自：开发者社区

JavaScript 开发进阶：理解 JavaScript 作用域和作用域链

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