--- title: "#variables-and-constants articles | Hashnode" description: "Explore 39 articles tagged #variables-and-constants on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/variables-and-constants" --- Tag # #variables-and-constants 39 posts · 1 followers [Abhishek Yadav](https://hashnode.com/@abishekyadav) · [Mar 15](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript-the-ultimate-beginner-s-guide/69b6c294f4eb2f8b0491c741) ### [Understanding Variables and Data Types in JavaScript: The Ultimate Beginner’s Guide](https://terminal-thoughts.hashnode.dev/understanding-variables-and-data-types-in-javascript-the-ultimate-beginner-s-guide?utm_source=hashnode&utm_medium=feed) Imagine you are moving into a new house. You have a collection of items—books, kitchenware, and clothes—that you need to organize. You wouldn't just throw them in a pile; you would put them into label 5 min read · [terminal-thoughts.hashnode.dev](https://terminal-thoughts.hashnode.dev/understanding-variables-and-data-types-in-javascript-the-ultimate-beginner-s-guide?utm_source=hashnode&utm_medium=feed) [Omkar Gupta](https://hashnode.com/@OmkarDevtsx) · [Mar 14](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69b53f76210c74252fe36fa3) ### [Understanding Variables and Data Types in JavaScript](https://omkargupta.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) A friendly guide for beginners — learn how to store, use, and manage information in your JavaScript code. 10 min read · [omkargupta.hashnode.dev](https://omkargupta.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) [Deepansh Gangwar](https://hashnode.com/@mr-deepansh) · [Mar 13](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript-beginner-friendly-guide/69b3a99b93256dfc533c82da) ### [Understanding Variables and Data Types in JavaScript (Beginner Friendly Guide)](https://blog-deepansh.hashnode.dev/understanding-variables-and-data-types-in-javascript-beginner-friendly-guide?utm_source=hashnode&utm_medium=feed) JavaScript Variables and Data Types Explained with Simple Examples 5 min read · [blog-deepansh.hashnode.dev](https://blog-deepansh.hashnode.dev/understanding-variables-and-data-types-in-javascript-beginner-friendly-guide?utm_source=hashnode&utm_medium=feed) [Mohammad Aman](https://hashnode.com/@mohammadaman) · [Mar 7](https://hashnode.com/posts/understanding-variables-and-data-types-in-javascript/69ac6c1586766ac3a6de4585) ### [Understanding Variables and Data Types in JavaScript](https://mohammadaman.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) Master JavaScript variables and data types: scope, \`let\` vs \`const\` vs \`var\`, \`undefined\`, mutation, and common beginner bugs. 6 min read · [mohammadaman.hashnode.dev](https://mohammadaman.hashnode.dev/understanding-variables-and-data-types-in-javascript?utm_source=hashnode&utm_medium=feed) [Dev Vaghela](https://hashnode.com/@dev-vaghela205) · [Mar 3](https://hashnode.com/posts/javascript-variables-and-data-types-a-proper-foundation/69a6d63d56428acc6fe02431) ### [JavaScript Variables and Data Types: A Proper Foundation](https://web-dev2026.hashnode.dev/javascript-variables-and-data-types-a-proper-foundation?utm_source=hashnode&utm_medium=feed) Learn how JavaScript stores data, how scoping works, why type coercion trips developers up, and what actually separates var, let, and const in real code. 28 min read · [web-dev2026.hashnode.dev](https://web-dev2026.hashnode.dev/javascript-variables-and-data-types-a-proper-foundation?utm_source=hashnode&utm_medium=feed) [Piyush Tiwari](https://hashnode.com/@Peeyushtiwari) · [Feb 27](https://hashnode.com/posts/variable/69a1f946d4053a09f3489eb4) ### [Understanding Variables and Data Types in JavaScript](https://piyushtiwari88.hashnode.dev/variable?utm_source=hashnode&utm_medium=feed) When you start programming, the first thing you learn is how to store information.In JavaScript, this is done using variables. In this blog, we will understand: What variables are Why we need them 4 min read · [piyushtiwari88.hashnode.dev](https://piyushtiwari88.hashnode.dev/variable?utm_source=hashnode&utm_medium=feed) [Tejaswini](https://hashnode.com/@tejaswini9) · [Dec 31, 2025](https://hashnode.com/posts/python-variables-and-data-types-explained-for-beginners/69556fd5ad6f7085a8917094) ### [Python Variables and Data Types Explained for Beginners](https://techwithtejaswini.hashnode.dev/python-variables-and-data-types-explained-for-beginners?utm_source=hashnode&utm_medium=feed) What is a Variable in Python? Variable consider as a Container or Location where we can store data. A variable is a name that refers to a value stored in memory. Example : name = "Tejaswini" age = 23 Here: name stores a string age stores a numb... 3 min read · [techwithtejaswini.hashnode.dev](https://techwithtejaswini.hashnode.dev/python-variables-and-data-types-explained-for-beginners?utm_source=hashnode&utm_medium=feed) [Kelvin R. Tobias](https://hashnode.com/@kelvinintech) · [Aug 27, 2025](https://hashnode.com/posts/exploring-implicitly-typed-variables-in-c/68aee53991f97f00f3c6cdcc) ### [Exploring Implicitly Typed Variables in C#](https://kelvinintech.hashnode.dev/exploring-implicitly-typed-variables-in-c?utm_source=hashnode&utm_medium=feed) Learn about implicitly typed variables in C 2 min read · [kelvinintech.hashnode.dev](https://kelvinintech.hashnode.dev/exploring-implicitly-typed-variables-in-c?utm_source=hashnode&utm_medium=feed) [Black BYC](https://hashnode.com/@BlackBYC) · [May 14, 2025](https://hashnode.com/posts/variable-in-apex/6824920b3b6152b766130bb2) ### [Variable in Apex](https://blackbuc.hashnode.dev/variable-in-apex?utm_source=hashnode&utm_medium=feed) 🔍 Why Do We Need a Variable in Apex? In Salesforce Apex, a variable acts as a container used to store a value during the execution of a program. These stored values can be reused, updated, or passed to methods throughout an Apex transaction. 📌 Wha... 4 min read · [blackbuc.hashnode.dev](https://blackbuc.hashnode.dev/variable-in-apex?utm_source=hashnode&utm_medium=feed)