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Node

A collection of 11 posts

This is a Test

Write a mocha/chai test for a function called `getLongestString` that does the following: ...

MissingNo.

Warm up Write a function that returns the missing number from an unsorted array of numbers. * Create a function that identifies the range of numbers within a given array. * Have the function return all numbers missing within the range. Example: function findMissingNo([3,5,4,8,1,2,7]){ //Find

Express Router

You have now experienced the beauty and simplicity of Node and Express - and you have created a few simple back-end servers and enabled your client to talk to it. How cool! So far we've been putting all of our routes on the app object that was created with the

Command-line game/utility

Command-line game/utility

You're tasked with making a command-line game or utility of your own choosing that you will run using Node.js. Think in the past of the command-line programs we've written, such as the Look-it-up Dictionary, Penguins vs. Communists, Princess is in Another Castle, Battleship, etc. Well now you get to

Node Module Patterns

Node Module Patterns

There are a few different common patterns that are used to set up the structure of your modules in Node.js. We'll be discussing 5 such common patterns. One of the main things to know/remember, which will help you immensely as you're trying to understand these different patterns, is

Node Modules Basics

Node Modules Basics

If you recall from the Intro to Node post, one of the main requirements of having JavaScript be able to work on a server is to have code that can be more easily organized. Thus far in JavaScript, we're used to having each JavaScript file be completely on its own,

Warmup - Server by Memory

Warmup - Server by Memory

Your job is to use what you have learned and spin up a NodeJs/Express server with a MongoDB that works. Requirements: * GET endpoint /cars * POST endpoint /cars * PUT endpoint /cars/:carId * DELETE endpoint /cars/:carId * MongoDB name should be cars * GET endpoint /person * POST endpoint /person * PUT endpoint /person/

Todo Express

Create a simple Express Server that manages a list of todos (which at this point will just be held in an array on the server, since we haven't gotten to including databases yet). Todos should have a data format similar to: { "name": "The name", "description": "The description of the todo"

Javascript Calculator (Node)

Javascript Calculator (Node)

You are going to create a calculator in pure Javascript using NodeJS and readline-sync. Your script must have: * A function that adds two numbers and returns the result * A function that multiplies two numbers and returns the result * A function that divides two numbers and returns the result * A function

AJAX

Introducing AJAX In the past, web pages required reloading the whole page every time you wanted to update the content. For example, in web-based email (like gmail.com) this meant that users had to manually reload their inbox to check and see if they had any new email. This had

Introduction to Node.js

Introduction to Node.js

Node is a powerful tool that allows Javascript to be interpreted outside of the browser - most importantly, it allows Javascript to be used as a server-side language. What does this mean? Traditionally we used a backend language (like Python, Ruby, C#, Go, etc.) to retrieve and control the data