--- title: "#scope articles | Hashnode" description: "Explore 309 articles tagged #scope on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/scope" --- Tag # #scope 309 posts · 8 followers [Harshit Soni](https://hashnode.com/@harshit-blogs) · [Oct 5](https://hashnode.com/posts/implicit-globals-vs-hoisting-javascript/6ac3ea14310efd06fa444770) ### [Why \`a = 10\` Isn't Hoisting: Implicit Globals in JavaScript](https://harshit-javascript.hashnode.dev/implicit-globals-vs-hoisting-javascript?utm_source=hashnode&utm_medium=feed) What really happens in memory when you skip var, let, and const 4 min read · [harshit-javascript.hashnode.dev](https://harshit-javascript.hashnode.dev/implicit-globals-vs-hoisting-javascript?utm_source=hashnode&utm_medium=feed) [Harsh Gupta](https://hashnode.com/@imharsh756) · [May 22](https://hashnode.com/posts/scopes-and-closures-in-python/6a1068201f237623ea022940) ### [Scopes and Closures in Python](https://harsh7562.hashnode.dev/scopes-and-closures-in-python?utm_source=hashnode&utm_medium=feed) Learn scopes and closures in Python using simple examples with nested functions, global variables, and closures. 4 min read · [harsh7562.hashnode.dev](https://harsh7562.hashnode.dev/scopes-and-closures-in-python?utm_source=hashnode&utm_medium=feed) [Sagar Sangle](https://hashnode.com/@SagarSangle) · [Mar 15](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69b63c6334db550e2c2e2abe) ### [Understanding Variables and Data Types in JavaScript](https://sagarsangle--understanding-variables-in-javascript.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) When learning JavaScript, one of the first concepts you'll encounter is variables and data types. These are the foundation of programming because they allow us to store, manage, and manipulate data in 11 min read · [sagarsangle--understanding-variables-in-javascript.hashnode.dev](https://sagarsangle--understanding-variables-in-javascript.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Shubham Vishwakarma](https://hashnode.com/@shubham005) · [Mar 15](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69b6681034db550e2c5eb7c0) ### [Understanding Variables and Data Types in JavaScript](https://infoaboutdatatype.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Variables Variables are nothing but a small container which is used to store the data . In JavaScript, data is stored in variables using reserved keywords. There are three keywords used to declare v 5 min read · [infoaboutdatatype.hashnode.dev](https://infoaboutdatatype.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Lalit Gujar](https://hashnode.com/@lalitgujjar) · [Mar 14](https://hashnode.com/posts/variables-data-types/69b5d24f34db550e2cece41e) ### [Variables & Data Types](https://javascriptcontent.hashnode.dev/variables-data-types?utm_source=hashnode&utm_medium=feed) Before you can write any real JavaScript, you need to understand how programs store and remember information. This chapter teaches you exactly that. 7 min read · [javascriptcontent.hashnode.dev](https://javascriptcontent.hashnode.dev/variables-data-types?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) [Ritu Sood](https://hashnode.com/@ritusood) · [Mar 13](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69b44ee26e27dd07d92c0fb6) ### [Understanding Variables and Data Types in JavaScript](https://js-basics-series.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) If you’re starting JavaScript, one of the first things you’ll hear is: “Declare a variable” “Store data” “Use the correct data type” “Use let instead of var” “Why is const not changing?” And if 9 min read · [js-basics-series.hashnode.dev](https://js-basics-series.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [PRINCE KUMAR](https://hashnode.com/@farshoreprince) · [Mar 11](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69b1a15c6c896b0519acc741) ### [Understanding Variables and Data Types in JavaScript](https://princekumar-engineer.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Imagine writing a program where the computer cannot remember anything. A login form forgets the username. A calculator forgets the numbers you entered. A shopping cart forgets the products you added. 8 min read · [princekumar-engineer.hashnode.dev](https://princekumar-engineer.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Rohit Chornele](https://hashnode.com/@rohitchornele) · [Mar 11](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69b12006abc0d95001e332bd) ### [Understanding Variables and Data Types in JavaScript](https://blog.rohitchornele.online/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Variables are the first step in any programming language. Variables are fundamental because they allow us to store the information in our program and use those informations letter in the code. This ar 9 min read · [blog.rohitchornele.online](https://blog.rohitchornele.online/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Swastik Majhi](https://hashnode.com/@corps21) · [Mar 11](https://hashnode.com/posts/variables-and-data-types-in-javascript/69b173e86c896b0519969ca6) ### [Variables and Data Types in JavaScript](https://javascript-fundamentals-made-easy.hashnode.dev/variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Introduction Computers mostly do two things, one they perform some computation like adding two numbers, running video games, running AI models and two they store some data like storing messages, pictu 7 min read · [javascript-fundamentals-made-easy.hashnode.dev](https://javascript-fundamentals-made-easy.hashnode.dev/variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed)