--- title: "Gaurav Tewari (@tewarig) | Hashnode" description: "frontend engineer @razorpay. Read the latest articles by Gaurav Tewari on Hashnode." url: "https://hashnode.com/@tewarig" --- @tewarig # Gaurav Tewari @tewarig · Dehradun ,India · Joined November 2020 frontend engineer @razorpay [Website](http://gauravtewari.xyz/) ### [Say Hello to anonmsg.fun - an Anonymous Feedback platform](https://blog.gauravtewari.xyz/say-hello-to-anonmsgfun-an-anonymous-feedback-platform?utm_source=hashnode&utm_medium=feed) Hi, Hope you are doing fine... Gaurav This side, I hope everything is fine, on your side, and if it is not fine, don't worry it would be : ) This article is regarding AnonMsg which you to give and take Anonymous feedback from anyone. Feedback has al... 4 min read · [blog.gauravtewari.xyz](https://blog.gauravtewari.xyz/say-hello-to-anonmsgfun-an-anonymous-feedback-platform?utm_source=hashnode&utm_medium=feed) [Apr 12, 2022](https://hashnode.com/posts/say-hello-to-anonmsgfun-an-anonymous-feedback-platform/62557817b32ddd968bbeb9da) ### [JavaScript Bazzi : Promise.all()](https://blog.gauravtewari.xyz/javascript-bazzi-promiseall?utm_source=hashnode&utm_medium=feed) Welcome to JavaScript baazi a blog series where we go through common interview questions in JavaScript and understand everything around them. Firstly What is Promise.all() ? So... Promise.all() take an array of promises as input and then return a pro... 2 min read · [blog.gauravtewari.xyz](https://blog.gauravtewari.xyz/javascript-bazzi-promiseall?utm_source=hashnode&utm_medium=feed) [Apr 5, 2022](https://hashnode.com/posts/javascript-bazzi-promiseall/624c7dd724471c433062c030) ### [Building A QR code scanner and generator in Next.js](https://blog.gauravtewari.xyz/building-a-qr-code-scanner-and-generator-in-nextjs?utm_source=hashnode&utm_medium=feed) In this blog, we are going to build a QR code scanner and generator in Next.js. QR codes are currently powering everything in the world. from payments to id cards, everything has a QR code on it. Here in this small demo we will be building a small de... 4 min read · [blog.gauravtewari.xyz](https://blog.gauravtewari.xyz/building-a-qr-code-scanner-and-generator-in-nextjs?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/building-a-qr-code-scanner-and-generator-in-nextjs/6241e3aa1bfa97c5345ea50b) [Mar 28, 2022](https://hashnode.com/posts/building-a-qr-code-scanner-and-generator-in-nextjs/6241e3aa1bfa97c5345ea50b) ### [JavaScript Baazi: How to flatten an array in javaScript?](https://blog.gauravtewari.xyz/javascript-baazi-how-to-flatten-an-array-in-javascript?utm_source=hashnode&utm_medium=feed) Welcome to JavaScript baazi a blog series where we go through common interview questions in JavaScript and understand everything around them. Hmm... So what is the flattening of an array? basically in flattening we reduce the dimension of an array.ba... 3 min read · [blog.gauravtewari.xyz](https://blog.gauravtewari.xyz/javascript-baazi-how-to-flatten-an-array-in-javascript?utm_source=hashnode&utm_medium=feed) [Feb 12, 2022](https://hashnode.com/posts/javascript-baazi-how-to-flatten-an-array-in-javascript/62081ecfa2be760e35396ada) ### [Introducing MeowForms 🐈 -Build Custom forms with no backend code for free 🐱 (my first SaaS product)](https://blog.gauravtewari.xyz/introducing-meowforms-build-custom-forms-with-no-backend-code-for-free-my-first-saas-product?utm_source=hashnode&utm_medium=feed) Hello 👋 Gaurav This side, I hope everything is fine, on your side, and if it is not fine, don't worry it would be : ) This article is regarding MeowForms which allows you to build custom back endless for free. I have made my small side projects in ... 6 min read · [blog.gauravtewari.xyz](https://blog.gauravtewari.xyz/introducing-meowforms-build-custom-forms-with-no-backend-code-for-free-my-first-saas-product?utm_source=hashnode&utm_medium=feed) [23](https://hashnode.com/posts/introducing-meowforms-build-custom-forms-with-no-backend-code-for-free-my-first-saas-product/612b6b48fd0bf8636d76d52b) [Aug 29, 2021](https://hashnode.com/posts/introducing-meowforms-build-custom-forms-with-no-backend-code-for-free-my-first-saas-product/612b6b48fd0bf8636d76d52b)