Higher-order functions are one of the topics that can be hard to understand. This article will help you understand what higher-order functions are and how to work with them. You will also learn about the difference between high-order and first order functions and about high-order functions built-in in JavaScript.
Tag: web
How “this” in JavaScript Works
The this keyword can be very confusing. This tutorial will help you understand how it works. You will learn about how this works in different contexts and environments. These contexts include global object, functions, object and class methods and events. You will also learn about globalThis, new feature added in ES2020.
How to Build an App with React, Express and SQLite
This tutorial will show you how to build your own app with React, Express and SQLite. First, you will create SQLite database. Next, you will create express server and connect it with the database. After that, you will build a React app, use axios to send requests to the server and use React hooks to… Continue reading How to Build an App with React, Express and SQLite
Introduction to Regular Expressions in JavaScript
In this tutorial, you will learn all you need to get started with regular expressions in JavaScript. You will learn how to create new expressions, how to use them and how to test them. You will also learn how to create simple and complex patterns and about special symbols and characters.
How to Build a Simple React app With Express API
Have you ever wanted to build React app with Express API? This tutorial will show you how. You will learn how to create a simple React app and how to fetch data from different API endpoints. Then, you will learn how to build API with Express.js, how to create controllers and routes and how to… Continue reading How to Build a Simple React app With Express API
How Shallow and Deep Copy in JavaScript Work
In this tutorial, you will learn about what is a deep copy and what is a shallow copy. Next, you will learn about what does “by value” and “by reference” mean. After that, you will also learn about when JavaScript creates shallow copies and when deep, and how to create deep copies of arrays and… Continue reading How Shallow and Deep Copy in JavaScript Work