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How to store single cache data in ReactJS ?

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  • Last Updated : 21 Jan, 2022

We can use the following approach in ReactJS to store single data into cache in ReactJS. We can cache some data into the browser and use it in our application whenever needed. Caching is a technique that helps us to stores a copy of a given resource into our browser and serves it back when requested.

Approach: Follow these simple steps in order to store single data into cache in ReactJS. We have created our addDataIntoCache function which takes the user data and store into the browser cache. When we click on the button, the function is triggered and data gets stored into the cache, and we see an alert popup.

Creating React Application:

Step 1: Create a React application using the following command:

npx create-react-app foldername

Step 2: After creating your project folder i.e. folder name, move to it using the following command:

cd foldername

Project Structure: It will look like the following.

Project Structure

Example: Now write down the following code in the App.js file. Here, App is our default component where we have written our code.


import * as React from 'react';
export default function App() {
  // Function to add our give data into cache
  const addDataIntoCache = (cacheName, url, response) => {
    // Converting our response into Actual Response form
    const data = new Response(JSON.stringify(response));
    if ('caches' in window) {
      // Opening given cache and putting our data into it => {
        cache.put(url, data);
        alert('Data Added into cache!')
  return (
    <div style={{ height: 500, width: '80%' }}>
      <h4>How to store data into cache in ReactJS?</h4>
      <button onClick={()=>addDataIntoCache('MyCache',
      'https://localhost:300','SampleData')} >
        Add Data Into Cache</button>


Step to Run Application: Run the application using the following command from the root directory of the project:


npm start

Output: Now open your browser and go to http://localhost:3000/, you will see the following output:


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