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Using the let keyword

Using the let keyword: Learning ECMAScript 6+ (ES6+)
Using the let keyword: Learning ECMAScript 6+ (ES6+)

In older versions of JavaScript, the way to declare a variable was to use the var keyword. Eve demonstrates how the let keyword can be used to enforce block scoping. In loops, declaring variables can lead to rewriting global variables. If you use the let keyword, this creates block scoping to prevent variables from being reassigned.

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Skill Level Intermediate
1h 15m
Duration
3,983
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Skills covered in this course
Developer Web Web Development JavaScript

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