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Setup eslint in a NodeJs Project

Nov 17, 2021 · 1 min read · Step 1: Add necessary dependencies. yarn add -D eslint @typescript-eslint/eslint-plugin @typescript-eslint/parser Step 2: Make .eslintrc.js file and add following code. module.exports = { parser: "@typescript-eslint/parser", // Specifies the ESLin...

Set up typescript and prettier with NextJs

Nov 8, 2021 · 1 min read · Steps Add dev dependenciesnpm i -D typescript @types/node @types/react eslint-config-prettier eslint-plugin-prettier prettier Touch tsconfig.json in root directory of the project.{ "compilerOptions": { "target": "es5", "lib": ["dom", "dom.iterabl...

Introduction to JavaScript

May 17, 2021 · 2 min read · Introduction JavaScript is a programming language which was made to bring web pages alive. JavaScript can run in any machine that has JavaScript Engine. V8 ⇒ Chrome and Opera SpiderMonkey ⇒ FirefoxHow do engines work? The process of how engines wor...

Promises In JavaScript

May 14, 2021 · 2 min read · Drawback in Callbacks Callbacks can be invoked any number of times inside the function Thus, the state of the result of the task keeps on changing. Example: function sendMail(details, callBack) { setTimeout(function () { // callBack is invo...

Invoke your function even before declaring it: Hoisting in JavaScript

Sep 24, 2020 · 1 min read · Take a Look Example: add(2, 6); // 8 function add(x,y){ return x+y; } We called the add function even before declaring it. This is possible in JavaScript because of Hoisting feature. In hoisting, all the declarations are moved to the top of the...