--- title: "Sahil Kumar (@sahilkumar2000) | Hashnode" description: "Web development. Read the latest articles by Sahil Kumar on Hashnode." url: "https://hashnode.com/@sahilkumar2000" --- @sahilkumar2000 # Sahil Kumar @sahilkumar2000 · Bangalore, India · Joined November 2022 Web development ### [How to clone an array or object in Javascript](https://sahilkumar.hashnode.dev/how-to-clone-an-array-or-object-in-javascript?utm_source=hashnode&utm_medium=feed) Primitive data type:For Primitive data types, we do not need to care about copying because when you create a copy, it will be a real copy Like in the above case, we created a variable a, made a copy of it by just writing b=aEven if you make changes ... 4 min read · [sahilkumar.hashnode.dev](https://sahilkumar.hashnode.dev/how-to-clone-an-array-or-object-in-javascript?utm_source=hashnode&utm_medium=feed) [May 6, 2023](https://hashnode.com/posts/how-to-clone-an-array-or-object-in-javascript/64568c039621cb659dfbb162) ### [Selectors in CSS](https://sahilkumar.hashnode.dev/selectors-in-css?utm_source=hashnode&utm_medium=feed) What is a selector? A selector is used to select HTML element and make styling changes to it. Types of CSS selectors:- The CSS selectors are divided into many categories. Universal selector Element selector Class selector Id selector Chained se... 4 min read · [sahilkumar.hashnode.dev](https://sahilkumar.hashnode.dev/selectors-in-css?utm_source=hashnode&utm_medium=feed) [Nov 13, 2022](https://hashnode.com/posts/selectors-in-css/63713c46156201257c9471a2) ### [Introduction to web, live server and HTML](https://sahilkumar.hashnode.dev/introduction-to-web-live-server-and-html?utm_source=hashnode&utm_medium=feed) In this article we are going to start with web and Internet . Then we will move to HTML and live server. 4 min read · [sahilkumar.hashnode.dev](https://sahilkumar.hashnode.dev/introduction-to-web-live-server-and-html?utm_source=hashnode&utm_medium=feed) [Nov 6, 2022](https://hashnode.com/posts/introduction-to-web-live-server-and-html/636807e14eeb55c059f20c8c)