--- title: "Rohan Joby (@rohan-joby) | Hashnode" description: "student. Read the latest articles by Rohan Joby on Hashnode." url: "https://hashnode.com/@rohan-joby" --- @rohan-joby # Rohan Joby @rohan-joby · Joined October 2021 student ### [Regular Expressions in JavaScript](https://rohanjoby.hashnode.dev/regular-expressions-in-javascript?utm_source=hashnode&utm_medium=feed) Regular Expressions are strings that allow a user to check a series of characters for matches to character combinations in strings. Use case example: to validate a form field by comparing input with regex for a valid email address that verifies condi... 6 min read · [rohanjoby.hashnode.dev](https://rohanjoby.hashnode.dev/regular-expressions-in-javascript?utm_source=hashnode&utm_medium=feed) [Oct 14, 2021](https://hashnode.com/posts/regular-expressions-in-javascript/616ad80aa0825c673bded6fa) ### [An Introduction to JavaScript Arrow Functions](https://rohanjoby.hashnode.dev/an-introduction-to-javascript-arrow-functions?utm_source=hashnode&utm_medium=feed) What are Arrow Functions? Arrow functions were introduced with ES6 as an alternative way to write functions in JavaScript. The newer syntax made it possible to execute the same logic with a shorter syntax, resulting in the code being more readable. ... 4 min read · [rohanjoby.hashnode.dev](https://rohanjoby.hashnode.dev/an-introduction-to-javascript-arrow-functions?utm_source=hashnode&utm_medium=feed) [Oct 12, 2021](https://hashnode.com/posts/an-introduction-to-javascript-arrow-functions/616ab34c53401f641ba19580) ### [What is JSX?](https://rohanjoby.hashnode.dev/what-is-jsx?utm_source=hashnode&utm_medium=feed) JSX or JavaScript XML is simply a syntax extension to JavaScript based on ES6. It allows us to write HTML in React (within JavaScript code) by converting HTML tags into React elements. The official page says JSX is a concise and familiar syntax for... 4 min read · [rohanjoby.hashnode.dev](https://rohanjoby.hashnode.dev/what-is-jsx?utm_source=hashnode&utm_medium=feed) [Oct 11, 2021](https://hashnode.com/posts/what-is-jsx/6165dea518374f2573276afc)