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Let variable declaration and sample analysis of features in ES6

2025-03-31 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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This article mainly introduces the ES6 let variable declaration and feature example analysis, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let Xiaobian take you to understand.

Let variable declarations and properties

Declare variable

Let a; let b, c, d; let e = 1; let f = 2, g = 3

Characteristics

Cannot repeat the statement

Block-level scope is valid only at block-level scope

No variable promotion

Does not affect the scope chain

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