Home
Feed

Extend

Hashnode Pro
Hashnode for Agents

Resources

The foreword
Hashnode gql skill

Buildful - AI coding agent that delivers frontier-level results at a fraction of the cost Bug0 - The AI-native e2e QA regression testing Hackathons Changelog Brand @hashnode on X Hashnode on LinkedIn Support - hello+support@hashnode.com Code of Conduct Terms Privacy Sitemap

Sign in

Search Hashnode

Search posts, tags, users, and pages

Discussion on "Why const over let" | Hashnode

Discussion

Tiger Abrodi

Obsessed with crafting software.

Sep 1, 2022

Why const over let

In this article, I want to discuss why I prefer const over let when declaring variables in JavaScript. Truth about const Variables declared with const often come across as being immutable. Now, if you have written JavaScript for a while, you know tha...

tigerabrodi.blog2 min read

#clean-code #web-development #javascript #webdev #programming

Responses4

Markdown supported · ⌘↵ to post

Ákos Kőműves

Full-Stack Developer and Writer

This topic is strange to me, probably because, by default, I write const. I don't know why. 😄

There's also a linter rule that fixes all your unnecessary let usages eslint.org/docs/latest/rules/prefer-const.

Thilakmani

Hello Readers

Nice Point

Lucas Gazzola

FrontEnd Developer

Great article. It makes a point. And always remember, don't use var anymore.

Tiger Abrodi

Obsessed with crafting software.

fosho, the ones ive seen using var in today's age are those that have like 15+ yrs of experience and don't code in JS that often lmao

Muphet

let and const have block scope, var doesn't. there still are cases that you need to pass variables out of blocks

Maxi Contieri

Software Engineer

Reassignments are wrong, they are a code smell, and they aren't good to write, avoid them whenever you can.

Exactly!

Tiger Abrodi

Obsessed with crafting software.

I had to get it clear haha

let just be confusing stuff, making you think reassignments happen everywhere