--- title: "Abhishek Kumar (@Iamabhshek) | Hashnode" description: "Abhishek Kumar (@Iamabhshek) writes on Hashnode. Read their latest articles and follow their work." url: "https://hashnode.com/@Iamabhshek" --- @Iamabhshek # Abhishek Kumar @Iamabhshek · Rajasthan India · Joined November 2020 ### [Overview on React](https://spy.hashnode.dev/overview-on-react?utm_source=hashnode&utm_medium=feed) React is a free and open-source front-end JavaScript library for building User Interfaces. It is known for its speed, scalability, and simplicity. It is also known for its component-based architecture, which makes it easy to create reusable and maint... 4 min read · [spy.hashnode.dev](https://spy.hashnode.dev/overview-on-react?utm_source=hashnode&utm_medium=feed) [Apr 15, 2024](https://hashnode.com/posts/overview-on-react/661cc61716bd96cb5c6b3c85) ### [Javascript Interview Cheatsheet](https://spy.hashnode.dev/javascript-interview-cheatsheet?utm_source=hashnode&utm_medium=feed) In this article, we are going to discuss some important topics of js which are asked during the interview. Scope Call stack Is Javascript single-threaded? Hoisting Let's Begin:- Scope Scope in JavaScript defines the accessibility of variables, obje... 5 min read · [spy.hashnode.dev](https://spy.hashnode.dev/javascript-interview-cheatsheet?utm_source=hashnode&utm_medium=feed) [Sep 23, 2022](https://hashnode.com/posts/javascript-interview-cheatsheet/632d656a318ff0fa18339072) ### [Hoisting in Javascript](https://spy.hashnode.dev/hoisting-in-javascript?utm_source=hashnode&utm_medium=feed) What is Hoisting in JS? Hoisting in Javascript is a behavior in which a function or variable can be used before declaration. It is the default behavior of javascript to move declarations to the top. Variable Hoisting Regarding variables and constants... 2 min read · [spy.hashnode.dev](https://spy.hashnode.dev/hoisting-in-javascript?utm_source=hashnode&utm_medium=feed) [Sep 19, 2022](https://hashnode.com/posts/hoisting-in-javascript/6328a5ea99624fc71cd524ff) ### [Variables in JS](https://spy.hashnode.dev/variables-in-js?utm_source=hashnode&utm_medium=feed) What are Variables? Like many other programming languages, JavaScript has variables. Variables can be thought of as named containers. You can place data into these containers and then refer to the data simply by calling the container. Javascript incl... 2 min read · [spy.hashnode.dev](https://spy.hashnode.dev/variables-in-js?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/variables-in-js/632165cf07b360723689c8af) [Sep 14, 2022](https://hashnode.com/posts/variables-in-js/632165cf07b360723689c8af) ### [Array 101 in JavaScript](https://spy.hashnode.dev/array-101-in-javascript?utm_source=hashnode&utm_medium=feed) What is an Array? An Array is an object that can store multiple values at once. All these elements need to be of the same data type, such as an integer or string, or boolean. How to create an Array? Syntax: const array\_name = \[item1, item2, ...\]; E... 3 min read · [spy.hashnode.dev](https://spy.hashnode.dev/array-101-in-javascript?utm_source=hashnode&utm_medium=feed) [Sep 11, 2022](https://hashnode.com/posts/array-101-in-javascript/631dcf0c3e8d6f3497ad61d8)