let
Last updated
What is let?
let declares a block-scoped variable that can be reassigned after declaration. Unlike var, it is limited to the block, statement, or expression where it is defined. let is the standard choice when a variable's value needs to change over time.
Free resources to learn let
- Articlelet keyword - MDN Docs
- ArticleJavaScript Variables
More in stage 2: All about Variables
let: common questions
Can I learn let in Hindi?
This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain let in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.
Is this let tutorial for beginners?
It is lesson 8 of 124 in the free JavaScript roadmap, in stage 2, All about Variables. If you are new to JavaScript, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.