--- title: "#scope-in-js articles | Hashnode" description: "Explore 30 articles tagged #scope-in-js on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/scope-in-js" --- Tag # #scope-in-js 30 posts · 1 followers [Subhasis Samantasinghar](https://hashnode.com/@subhasisXD) · [Mar 14](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69b50af7210c74252fc88da5) ### [Understanding Variables and Data Types in JavaScript](https://js-blog-subhasis.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Learn the basics of JavaScript variables (let, const, var) and data types. This beginner-friendly guide makes writing your first JS code easy to under 5 min read · [js-blog-subhasis.hashnode.dev](https://js-blog-subhasis.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Abdulla Mulla](https://hashnode.com/@abdulla210) · [Mar 14](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69b4d400210c74252faa9b8d) ### [Understanding Variables and Data Types in JavaScript](https://all-about-javascript.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) When I started learning JavaScript, one of the first things I had to understand was variables. At first it felt confusing, but after writing a few examples it became much clearer. A simple way to thin 4 min read · [all-about-javascript.hashnode.dev](https://all-about-javascript.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Shravan Chaudhari](https://hashnode.com/@shrvn) · [Mar 13](https://hashnode.com/posts/variables-and-data-types-in-javascript/69b49c3b210c74252f9da4fe) ### [Variables and Data Types in JavaScript](https://shrvn.hashnode.dev/variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Understanding Variables, Scope, and Data Types in JavaScript 6 min read · [shrvn.hashnode.dev](https://shrvn.hashnode.dev/variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Jadhav Jivesh](https://hashnode.com/@Jiv-S) · [Mar 9](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69af1106af06a097c3c0a0ac) ### [Understanding Variables and Data Types in JavaScript](https://commitpush.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) A beginner-friendly guide to JavaScript variables, var vs let vs const, scope, and primitive data types with clear examples and explanations. 8 min read · [commitpush.hashnode.dev](https://commitpush.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Nishant Singh](https://hashnode.com/@Nishantsingh-09) · [Mar 4](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69a7e08b57e60ab47211c610) ### [Understanding Variables and Data Types in JavaScript](https://nishantcode.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Learn JavaScript variables, data types, var, let, and const with simple explanations and examples for beginners. 14 min read · [nishantcode.hashnode.dev](https://nishantcode.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Purakhnath Jyani](https://hashnode.com/@purakhnath-jyani) · [Feb 25](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/699eea0007208e46d792fa95) ### [Understanding Variables and Data Types in JavaScript](https://purakhnath-jyani.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Variables, data types, and scope explained simply. 6 min read · [purakhnath-jyani.hashnode.dev](https://purakhnath-jyani.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Sumit Saha](https://hashnode.com/@sumitsaha) · [Jan 20](https://hashnode.com/posts/how-execution-context-works-in-javascript-handbook/696fd4c6078e49955b0f38de) ### [How Execution Context Works in JavaScript – A Handbook for Devs](https://freecodecamp.org/news/how-execution-context-works-in-javascript-handbook?utm_source=hashnode&utm_medium=feed) Execution Context is one of the most fundamental yet most misunderstood concepts in JavaScript. It defines how JavaScript code is evaluated and executed, and it plays a central role in determining how variables, functions, and scope behave. Many core... 42 min read · [freecodecamp.org](https://freecodecamp.org/news/how-execution-context-works-in-javascript-handbook?utm_source=hashnode&utm_medium=feed) [pushpesh kumar](https://hashnode.com/@pushpeshkumar) · [Jun 30, 2025](https://hashnode.com/posts/scope-chain-how-variables-are-resolved-in-javascript/68626b13aba8e136886c73ad) ### [JS Fundamentals #15 — 🔗 Scope Chain — How Variables are Resolved in JavaScript](https://pushpesh-js-articles.hashnode.dev/scope-chain-how-variables-are-resolved-in-javascript?utm_source=hashnode&utm_medium=feed) When you write JavaScript, you often use variables declared in different scopes. Have you ever wondered how JavaScript knows which variable to use when there are many with the same name? The answer lies in the scope chain. 🌟 What is a Scope? A scope... 2 min read · [pushpesh-js-articles.hashnode.dev](https://pushpesh-js-articles.hashnode.dev/scope-chain-how-variables-are-resolved-in-javascript?utm_source=hashnode&utm_medium=feed) [Kevin Gandhi](https://hashnode.com/@kevin0306) · [Mar 6, 2025](https://hashnode.com/posts/scopes-and-closure/67c92c2481d7ec30b7a19893) ### [Scopes and Closure](https://scopes-closure.hashnode.dev/scopes-and-closure?utm_source=hashnode&utm_medium=feed) Understanding Scopes and Closures: Enhance Your JavaScript Knowledge 4 min read · [scopes-closure.hashnode.dev](https://scopes-closure.hashnode.dev/scopes-and-closure?utm_source=hashnode&utm_medium=feed) [Hirak Mahata](https://hashnode.com/@hirak-mahata) · [Mar 5, 2025](https://hashnode.com/posts/javascript-scope-and-closures-a-simple-guide-for-newbies/67c7f33b94dc3450bf527ee1) ### [JavaScript Scope and Closures: A Simple Guide for Newbies](https://scope-and-closures.hashnode.dev/javascript-scope-and-closures-a-simple-guide-for-newbies?utm_source=hashnode&utm_medium=feed) JavaScript Scope and Closures: A Simple Guide for Newbies 3 min read · [scope-and-closures.hashnode.dev](https://scope-and-closures.hashnode.dev/javascript-scope-and-closures-a-simple-guide-for-newbies?utm_source=hashnode&utm_medium=feed)