Glossary coding Term Page

const vs. let

use `const` for values that never change and `let` for those that will

const-vs-let #coding#javascript

Related Concepts

Core Idea

const vs. let is use const for values that never change and let for those that will. This avoids accidental state overwrites. It usually makes the most sense alongside Browser console, Node.js, Data type.

Why It Matters Here

Mathbong reuses this term across javascript posts as shared vocabulary.

Posts Mentioning This Concept

[JavaScript 시리즈 2편] 변수와 자료형을 덜 헷갈리게 보는 법 브라우저 콘솔과 Node.js에서 직접 실행해 보며 let, const, 문자열, 숫자, 배열, 객체를 정리합니다.[JavaScript Series 2] Understanding Variables and Types Walk through let vs. const plus strings, numbers, arrays, and objects using the browser console and Node.js.