Glossary coding Term Page let the declaration keyword for values that should change let #coding#javascript Korean version Related Concepts RuntimeConsoleconstData typeArrayObject Core Idea let is the declaration keyword for values that should change, perfect for state updates. It usually makes the most sense alongside Runtime, Console, const. 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.