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5分钟掌握var，let和const异同 - 葡萄城技术团队
source link: https://www.cnblogs.com/powertoolsteam/p/9673327.html
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在本文中，我们将会通过一些示例来为大家介绍如何在Javascript中灵活使用var、let和const这些关键字来定义变量，以及这些关键字它们之间有什么异同。
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