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Introduction: Hello, this is Sundaram Dubey 3rd B.Tech. HBTU student. In this blog spot, I am going to discuss my Code-In journey as a Mentor . Maybe it's not a journey :) Basic Information: So one who doesn't know what is Code-in, for them: Code-in is a nearly 7 weeks long program for preUniversity students to get involved in the open-source community and get to know about real-world application development. This program is not just about coding, this is about community bonding. This year(2019-20) GCI held on 2 December 2019 - 21 January. So one week is still remaining and students are working on their final evaluation and tasks. Every organization has some tasks that are previously created and students have to complete them.  Motivation: So I am going off-topic perhaps. I am writing this blog about my GCI experience but it's overwhelming me where to start! So I heard of GCI  from a senior of our college and he was also a mentor of GCI for Zulip in 2017,18. I ta...

In today's blog we will discuss some testing tools of react apps .In general we write code to work, but now a days only writing a code is not enough , it should be less complex and more accurate ,efficient too . 1. ESLINT :- There are so many formats in which java Scripts code is written now a days by different developer so before developing a project coding styles parameters are being set for the react apps .(here react app means , reactjs and react native) . example - function add(x, y){     return x+y ; } ES6 syntax - const add = (x, y) => {     return x+y } Both syntax are correct  but setting a parameter is vary important . That's what is done by eslint; It is also use for the testing of a function : example -  // App.js function add(x, y) {     return x+y; } 2. console.log testing :- test : console.warn(add(1,2) === 3 , "this is a error function"); console.warn(add(1,6) === 7 , "this is a error function"); con...