How to pass data from Parent component to Child component in React

Today we will show you how to pass data from parent component to child component in React JS using example.

Communication is the most important part of the single page application. So for that we will use props to communicate between two components (Passing data from parent to child component).

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Let’s take a simple example where we will have parent component which contains the normal input element and then pass the input value into the child component on change event of the input element.

Demo & Source Code

Github Repository

Way to pass data from parent component to child component

  1. Create react application
  2. Setup input element in Parent component
  3. Handle value from parent in Child component
  4. Output

1. Create react application

First you have to create the startup react application. You may use the create-react-app for same. Please check below link to create react application.

Create React Application

2. Setup input element in Parent component

We will consider App.js file as parent component to setup input element in render method and bind the change event. Also we will manage the input value in state variable.

Now we will import the child component (Child.js) and pass the state value in child component.

Please look at the below code as parent component.

App.js

3. Handle value from parent in Child component

In child component we can have access the parent value and display it on the page via child component using props.

Child.js

4. Output

Output - How to pass data from Parent component to Child component in React - Clue Mediator
Output – How to pass data from Parent component to Child component in React – Clue Mediator

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