#javascript

Articles tagged with #javascript

Build a Request Parser with Node and Express
The second final project in the freeCodeCamp Backend and API curriculum
Nov 23, 20223 min read309
Null and Undefined in JavaScript. What is the difference?
The keywords Null and undefined in JavaScript can be a struggle to understand. What are they? In what ways are they the same? And in what ways do they differ? In this tutorial, you will learn about these two keywords. Undefined When JavaScript says a...
Nov 22, 20222 min read180
JavaScript Double Equals (==) vs Triple Equals (===). Which Should You Use?
Introduction Equality in JavaScript can be a difficult concept to navigate. More so, when you're a beginner. You may have come across cases where === is used. And also others where == is used instead. Does it really matter which one you use? What is...
Nov 21, 20223 min read209
Build a Timestamp Microservice with Node and Express
The first final project in the freeCodeCamp Backend and API curriculum.
Nov 15, 20227 min read1.3K
How To Deploy Your Node.js Application For FREE With Render
In this tutorial, you will learn how to deploy your Node applications for free. And you will do so using a platform called Render. Okay, let's get started. Getting access to the port Your deployed application will run on a port Render assigns to it. ...
Nov 14, 20224 min read1.3K
Learn the useMemo and useCallback Hooks in React
Introduction This useMemo and useCallback hooks use a programming technique called memoization to optimize performance in React applications. In this article, you will learn about memoization. And also how to use useMemo and useCallback. What is memo...
Nov 8, 20223 min read202