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Routing refers to determining how an application responds to a client request to a particular endpoint, which is a URI (or path) and a specific HTTP request method (GET, POST, PUT, DELETE).Each route can have one or more handler functions, which are…
Here i’m going show you how many types of method in express work and how we simple write that and the following examples illustrate defining simple routes. const express = require(‘express’);const app = express();const port = process.env.PORT || 3000; Here app is…
Hello friends here I’m going to show you, how to start node js application as beginner.First of all you make sure before starting node js you better understand core JavaScript syntax and function and prototyping scope and you should know about some…
Here I’m going to explain what does means by async and await in javascript and node js. Async The async keyword is used to making a function asynchronous that means Asynchronous code allows the program to be executed immediately where the synchronous…
Hoisting, when in JavaScript variable used before declaration that is called hoisting, a variable can be declared after it has been used. In other words; you can say one variable can be used before it has been declared. example a = 10;…
Strict mode makes it easier to write secure and error free code in JavaScript.As an example, in normal JavaScript, mistyping or undefined a variable name creates a new global variable and this will not return any error but In strict mode, this…
Lets start your installation – first of all open your terminal and type it command which i have shared with you below step by step. Install Apache sudo apt-get update sudo apt-get install apache2 sudo systemctl restart apache After that you can…
ECMA script is also know as JavaScript 6(ES6). JavaScript ECMA Script 6 is introduce some of new features. Such as- *JavaScript let *JavaScript Const *Array.find() *Array.findIndex() *Exponentiation *Default parameter values The let statement allow you to declare a variable with block scope…