Alex Devero

How to Create File Dropzone in React and TypeScript

There are various solutions for file dropzones. Some are simple, some complicated. This tutorial will help you create your own simple file dropzone. You will learn how to handle various drag and drop events, how to process dropped files and how to create a simple API for reusable dropzone component.

Introduction to Currying in JavaScript

Currying is one of the more advanced techniques of working with functions. What it does is it allows you to transform functions, and the way your work with them. This tutorial will help you understand what currying in JavaScript is, how it works and how to use it in your code.

Memoization in React: A Simple Introduction

There are many optimization techniques you can use to improve overall performance of your React applications. One of these techniques is memoization. In this tutorial you will learn what memoization is and how to use memoization in React to optimize your React apps.

3 Ways to Build React Forms with Formik Pt.3

Building React forms can be lengthy and painful process. Not anymore with library called Formik. Formik provides a nice and easy way to build React forms. This tutorial will show you how to build React forms with HTML elements along with the useFormik() hook provided by Formik.

3 Ways to Build React Forms with Formik Pt.2

The Formik library helps to build React forms faster with its state management and component. This tutorial will help you learn how to build a React form using components provided by Formik library. You will also learn how to create a simple validation schema for forms with Yup library.

3 Ways to Build React Forms with Formik Pt.1

Formik is one of the most popular libraries for building forms. It helps developers do a lot of things with much few lines of code. Some of these things are form state management, validation and error handling. This tutorial will show you three ways in which you can use formik to build React forms.