React + TypeScript: Working with Radio Button Groups

September 9, 2021 A Goodman

The end-to-end example below covers the most important aspects you need to know when working with radio button groups in a React application written in TypeScript. We will write code from scratch and use the modern…

React + TypeScript: Making a Custom Context Menu

September 7, 2021 A Goodman

This article walks you through an end-to-end example of creating a custom context menu in a React app that is written in TypeScript. We’ll use new features of React like hooks and functional components. You won’t…

React + TypeScript: Multiple Select example

August 31, 2021 A Goodman

The example below describes how to use a multiple select in a React project written in TypeScript. You will learn to get the selected values as well as display them on the screen. Everything will be…

React + TypeScript: onMouseOver & onMouseOut events

August 26, 2021 A Goodman

This article is about the onMouseOver and onMouseOut events in a React project written in TypeScript. We’ll go through the fundamentals of these events then examine a complete example of using them in practice. Overview The…

React + TypeScript: Image onLoad & onError Events

August 18, 2021 A Goodman

The end-to-end example below shows you how to handle image events in a React app that uses TypeScript. There are 2 events that we are going to work with: onLoad: This event occurs when an image…

React + TypeScript: Handling onClick event

August 17, 2021 A Goodman

The onClick event occurs when an element is clicked. This element can be a button, a div element, an image, etc. This article walks you through a couple of different examples of handling the onClick event…

React + TypeScript: Handling Keyboard Events

August 13, 2021 A Goodman

This article walks you through the basics and a few practical examples of handling keyboard events in a React app that is written in TypeScript. We’ll use modern React features including hooks and functional components. You…

React + TypeScript: Multiple Dynamic Checkboxes

August 7, 2021 A Goodman

This article walks you through an end-to-end example of handling dynamic checkboxes in a React application written in TypeScript. We’ll use hooks and functional components, not class components as well as old-fashioned stuff. The Example Overview…

React + TypeScript: Password Strength Checker example

August 6, 2021 A Goodman

This article walks you through a complete example of making a password strength checker in React and TypeScript. We will build it from scratch and will NOT use any third-party packages. In addition, we will use…

TypeScript: Intersection Type Examples

August 4, 2021 A Goodman

Below are 2 examples of Intersection Types in TypeScript. The first one uses Interfaces and the second one uses Type Aliases. Example 1: Intersection Types and Interfaces The code: Output: Example 2: Intersection Types and Type…

TypeScript Example: Default Function Parameters

August 15, 2021 A Goodman

The code snippet below shows you how to use default function parameters in TypeScript: Output: Important note: The parameters for which you don’t accept default arguments have to come first (stay on the left side). Further…

React + TypeScript: Using Inline Styles Correctly

July 29, 2021 A Goodman

When using inline styles in a React project that is written in TypeScript, you may encounter some annoying problems. For example, the code below: will result in an error like this: Similar errors can also occur…

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