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A comment on Airbnb JavaScript Style Guide.

Re:Airbnb JavaScript Style Guide by joeblow99 on Friday July 03, 2015 @01:12AM (#9823634)
Use const for all of your references; avoid using var. If you must mutate references, use let instead of var.

In my 15 years of programming javascript I've never once seen this matter.

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Re:Airbnb JavaScript Style Guide by RoboSeldon on Friday July 03, 2015 @01:19AM (#9823659)
That's because let and const where officially introduced in JavaScript this year, see the JavaScript standard ES6 (or ES2015).
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