--- title: "#var articles | Hashnode" description: "Explore 18 articles tagged #var on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/var" --- Tag # #var 18 posts · 0 followers [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) [Junghun Kim](https://hashnode.com/@vienna453) · [Nov 16, 2025](https://hashnode.com/posts/var-let-const-babel/691991b8d0cc62eea5b276fb) ### [자바스크립트의 var / let / const 차이와 Babel 변환 방식 정리](https://devnote-vienna453.hashnode.dev/var-let-const-babel?utm_source=hashnode&utm_medium=feed) 자바스크립트에서 var/let/const의 차이와 Babel 변환 방법을 이해하는 간단한 가이드 3 min read · [devnote-vienna453.hashnode.dev](https://devnote-vienna453.hashnode.dev/var-let-const-babel?utm_source=hashnode&utm_medium=feed) [Priyanshu Vishwakarma](https://hashnode.com/@priyanshu-vkarma) · [Jun 27, 2025](https://hashnode.com/posts/keywords-let-const-var-in-js/68bd106a094ec4b81ac593d3) ### [Keywords - Let, Const, Var in Js](https://keyword-let-const-var.hashnode.dev/keywords-let-const-var-in-js?utm_source=hashnode&utm_medium=feed) Understand the differences between var, let, and const in JavaScript. Learn their scopes, reassignment, and best usage practices for modern coding 2 min read · [keyword-let-const-var.hashnode.dev](https://keyword-let-const-var.hashnode.dev/keywords-let-const-var-in-js?utm_source=hashnode&utm_medium=feed) [Sergey Shishkin](https://hashnode.com/@Serj-Aleks) · [Apr 15, 2025](https://hashnode.com/posts/val-i-var/67fe099d0771751a8f0306af) ### [val и var](https://serj-aleks.hashnode.dev/val-i-var?utm_source=hashnode&utm_medium=feed) Решил объединить эти лексемы (их редукции), поскольку они “ходят парой“ … У обоих неудачный перевод на русский язык. Некоторые авторы транслируют “value” как “значение”, а некоторые как “ценность“. В конечном итоге, все понимают как контекст, но сам ... 2 min read · [serj-aleks.hashnode.dev](https://serj-aleks.hashnode.dev/val-i-var?utm_source=hashnode&utm_medium=feed) [Mirna De Jesus Cambero](https://hashnode.com/@mirnadjc) · [Apr 1, 2025](https://hashnode.com/posts/modern-java-features-local-variable-type-inference/67ec1bae3cc13490498efe13) ### [Modern Java Features: Local Variable Type Inference](https://codelikeawoman.com/modern-java-features-local-variable-type-inference?utm_source=hashnode&utm_medium=feed) Introduced in Java 10 and enhanced in Java 11, local variable type inference allows developers to use the keyword var instead of explicit type declarations for local variables. So, the purpose of this feature is to reduce verbosity. For instance, rat... 4 min read · [codelikeawoman.com](https://codelikeawoman.com/modern-java-features-local-variable-type-inference?utm_source=hashnode&utm_medium=feed) [Sergey Shishkin](https://hashnode.com/@Serj-Aleks) · [Feb 15, 2025](https://hashnode.com/posts/let-let/67b04ce028790729f7815c8b) ### [let? ... let](https://serj-aleks.hashnode.dev/let-let?utm_source=hashnode&utm_medium=feed) let - определяет локальные переменные. Значение символа sym - или значения символов sym в списке второй формы - сохраняются, и символы привязываются к вычисленным аргументам any. Аргументы lst во второй форме могут состоять только из символов и подсп... 2 min read · [serj-aleks.hashnode.dev](https://serj-aleks.hashnode.dev/let-let?utm_source=hashnode&utm_medium=feed) [Sergey Shishkin](https://hashnode.com/@Serj-Aleks) · [Jan 11, 2025](https://hashnode.com/posts/set-kak-primer-centralnoj-koncepcii/67822e08a67b7b81b3537cc4) ### [set как пример центральной концепции](https://serj-aleks.hashnode.dev/set-kak-primer-centralnoj-koncepcii?utm_source=hashnode&utm_medium=feed) Центральной концепцией автор PicoLisp считает выделение “оценочных” и неоценочных функции, а как пример, акцентирует разницу между set и setq. Более детально функция установления (сохранения) значения в аргумент переменной интерпретируется в блоге об... 1 min read · [serj-aleks.hashnode.dev](https://serj-aleks.hashnode.dev/set-kak-primer-centralnoj-koncepcii?utm_source=hashnode&utm_medium=feed) [Ahamad Basha NS](https://hashnode.com/@AhamadNSAB) · [Dec 7, 2024](https://hashnode.com/posts/var-and-dynamic-keywords/67543776e5c6c6c62330cd51) ### [var and dynamic Keywords](https://intro-to-c-net-core.hashnode.dev/var-and-dynamic-keywords?utm_source=hashnode&utm_medium=feed) In-Depth Explanation of var and dynamic Keywords 𝐯̲𝐚̲𝐫̲ ̲🦸̲‍̲ 𝐚̲𝐧̲𝐝̲ ̲𝐝̲𝐲̲𝐧̲𝐚̲𝐦̲𝐢̲𝐜̲ ̲🦹̲‍̲ ̲𝐊̲𝐞̲𝐲̲𝐰̲𝐨̲𝐫̲𝐝̲𝐬̲ When you get tired of declaring data types of variables. And you don't want to stress on small things and focus on the... 3 min read · [intro-to-c-net-core.hashnode.dev](https://intro-to-c-net-core.hashnode.dev/var-and-dynamic-keywords?utm_source=hashnode&utm_medium=feed) [Jinali Ghoghari](https://hashnode.com/@JinaliInFlutterLand) · [Mar 13, 2024](https://hashnode.com/posts/difference-between-var-dynamic-keywords-in-dart/65f127bb27b0b638599cf173) ### [Difference Between var & dynamic keywords in dart](https://jinali.hashnode.dev/difference-between-var-dynamic-keywords-in-dart?utm_source=hashnode&utm_medium=feed) Certainly! In simple terms: var in Dart: Use var when you want the Dart compiler to figure out and set the type of a variable based on the value it is assigned. The type is determined at compile-time and remains fixed once assigned. Exampl... 1 min read · [jinali.hashnode.dev](https://jinali.hashnode.dev/difference-between-var-dynamic-keywords-in-dart?utm_source=hashnode&utm_medium=feed) [Subham Singh](https://hashnode.com/@subham-cc99) · [Aug 15, 2023](https://hashnode.com/posts/understanding-the-differences-var-vs-let-keyword-in-javascript/64db85613c5bcf461fd793d4) ### [Understanding the Differences: var vs let keyword in JavaScript](https://blogs.subhamsingh.in/understanding-the-differences-var-vs-let-keyword-in-javascript?utm_source=hashnode&utm_medium=feed) Js Basics 3 min read · [blogs.subhamsingh.in](https://blogs.subhamsingh.in/understanding-the-differences-var-vs-let-keyword-in-javascript?utm_source=hashnode&utm_medium=feed)