Articles Tagged

beginning react

Components are the building blocks of React applications. It’s almost impossible to build a React application and not make use of components. It’s widespread to the point that some third-party packages provide you with components you can use to integrate …

useReducer is one of a handful of React hooks that shipped in React 16.7.0. It accepts a reducer function with the application initial state, returns the current application state, then dispatches a function.

Here is an example of how it …

A React component goes through different phases as it lives in an application, though it might not be evident that anything is happening behind the scenes.

Those phases are:

• mounting
• updating
• unmounting
• error handling

There are methods in each of …

React 16.6.0 was released October 2018 and with it came goodies that spice up the way we can develop with React. We’re going to cover what I consider the best of those new goodies with examples of how we can …

Hooks make it possible to organize logic in components, making them tiny and reusable without writing a class. In a sense, they’re React’s way of leaning into functions because, before them, we’d have to write them in a component and, while components have proven to be powerful and functional in and of themselves, they have to render something on the front end. That’s all fine and dandy to some extent, but the result is a DOM that is littered with divs that make it gnarly to dig through through DevTools and debug.

Say we need to render a child element into a React application. Easy right? That child is mounted to the nearest DOM element and rendered inside of it as a result.

render() {
  return (
    <div>
      // Child to render 

…

Working with data in React is relatively easy because React is designed to handle data as state. The hassle begins when the amount of data you need to consume becomes massive. For example, say you have to handle a dataset …

Compound components in React allow you to create components with some form of connected state that’s managed amongst themselves. A good example is the Form component in Semantic UI React.

To see how we can implement compound components in …

An Overview of Render Props in React

Using render props in React is a technique for efficiently re-using code. According to the React documentation, “a component with a render prop takes a function that returns a React element and …

Most of the behavior in an application revolves around events. User enters a value in the registration form? Event. User hits the submit button? Another event. Events are triggered a number of ways and we build applications to listen for …

React encourages developers to build by breaking a UI up into components. This means there will always be a need to pass data from one component to another — more specifically, from parent to child component — since we’re …