Posts tagged “callback”
5 posts found
TypeScript 6.0 Strict Function Types: Why Contravariance Breaks Your Existing Callbacks
August 18, 2026
TypeScript 6.0 makes strictFunctionTypes the default, breaking callbacks that relied on bivariant parameter checking. Learn why contravariance matters and how to migrate production code without sacrificing type safety.
Combining the Command Pattern with State Pattern in JavaScript
November 14, 2022
We are going to incorporate/combine the command pattern together with the state pattern.
Async/Await Tips to be Aware Of At All Times
August 21, 2022
In this post we will be going over a couple of important tips that every JavaScript developer must know to prevent difficult bugs from occurring in your applications.
5 Critical Tips for Composing Event Handler Functions in React
May 17, 2020
We will be going over 5 critical tips to compose event handlers in react. This post will not cover everything that is possible, but it will cover important ways to compose event handlers that every react developer should know, minimally
How Do Promises Work?
May 23, 2019
Promises have changed the way most JavaScript developers write asynchronous code. So what are promises, and how do they work?