--- title: "Kshitiz Rana (@Kshitiz456) | Hashnode" description: "I am a CSE undergrad." url: "https://hashnode.com/@Kshitiz456" --- @Kshitiz456 # Kshitiz Rana @Kshitiz456 · Joined April 2023 ### [From var to let and const: Mastering Variables and data types in Js](https://javascriptfundamentals.hashnode.dev/from-var-to-let-and-const-mastering-variables-and-data-types-in-js?utm_source=hashnode&utm_medium=feed) In this guide, we will take a step-by-step journey from variables to control flow, breaking down essential concepts like data types, conditionals, and loops.Have you ever noticed how we use different jars and containers in our kitchen to store spices... 6 min read · [javascriptfundamentals.hashnode.dev](https://javascriptfundamentals.hashnode.dev/from-var-to-let-and-const-mastering-variables-and-data-types-in-js?utm_source=hashnode&utm_medium=feed) [Feb 9, 2025](https://hashnode.com/posts/from-var-to-let-and-const-mastering-variables-and-data-types-in-js/67a907ef4a089697146ecd75) ### [Union Budget with Array methods](https://arrmethods.hashnode.dev/union-budget-with-array-methods?utm_source=hashnode&utm_medium=feed) Let’s try to understand the Union Budget using Array Methods of Javascript. The Ministry of Finance created a budget for the Annual Financial year 2025-26 in which they made a yearly money plan. So to create this budget, the ministry needed to know h... 3 min read · [arrmethods.hashnode.dev](https://arrmethods.hashnode.dev/union-budget-with-array-methods?utm_source=hashnode&utm_medium=feed) [2](https://hashnode.com/posts/union-budget-with-array-methods/67a46ca0275933bac70c9eeb) [Feb 6, 2025](https://hashnode.com/posts/union-budget-with-array-methods/67a46ca0275933bac70c9eeb) ### [Phonebook of Internet Demystified (DNS)](https://dnssimp.hashnode.dev/phonebook-of-internet-demystified-dns?utm_source=hashnode&utm_medium=feed) Have you ever wondered how typing a simple web address like 'google.com' magically takes you to the right website? The answer lies in the unsung hero of the internet: DNS." So What is DNS or Domain name system? Let’s understand by an example. We all ... 4 min read · [dnssimp.hashnode.dev](https://dnssimp.hashnode.dev/phonebook-of-internet-demystified-dns?utm_source=hashnode&utm_medium=feed) [3](https://hashnode.com/posts/phonebook-of-internet-demystified-dns/678cd68e913755a75c80c226) [Jan 19, 2025](https://hashnode.com/posts/phonebook-of-internet-demystified-dns/678cd68e913755a75c80c226) ### [Computer Networks Simplified](https://webterm.hashnode.dev/computer-networks-simplified?utm_source=hashnode&utm_medium=feed) Let’s try to understand web terminologies using a Bank and customer model. Suppose a Bank in a city is a place where many resources are available, such as account opening, customer details, cash withdrawals, loans, lockers, etc. Here, everyone who av... 4 min read · [webterm.hashnode.dev](https://webterm.hashnode.dev/computer-networks-simplified?utm_source=hashnode&utm_medium=feed) [Jan 12, 2025](https://hashnode.com/posts/computer-networks-simplified/6783c42f1bb8d25c784a5317)