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React - animated progress bar

6 points
Created by:
Root-ssh
84690

In this short article we would like to show how to create animated progress bar in React.

Animated progress bar in React.
Animated progress bar in React.

Quick solution:

// ONLINE-RUNNER:browser;

// import React from 'react';
// import ReactDOM from 'react-dom';

const containerStyle = {
  	border: '1px solid silver',
  	background: '#ededed'
};

const contentStyle = {
  	background: '#00cc00',
  	height: '24px',
  	textAlign: 'center',
  	lineHeight: '24px',
  	fontFamily: 'sans-serif',
  	transition: '0.3s'
};

const ProgressBar = ({progress}) => {
  	const state = `${progress}%`;
    return (
      <div style={containerStyle}>
        <div style={{...contentStyle, width: state}}>
          {progress > 5 ? state : ''}
        </div>
      </div>
    );
};

const App = () => {
  const [progress, setProgress] = React.useState(25);
  return (
    <div>
      <ProgressBar progress={progress} />
      <br />
      <div>
        <button onClick={() => setProgress(0)}>0%</button>
        <button onClick={() => setProgress(5)}>5%</button>
        <button onClick={() => setProgress(15)}>15%</button>
        <button onClick={() => setProgress(50)}>50%</button>
        <button onClick={() => setProgress(75)}>75%</button>
        <button onClick={() => setProgress(100)}>100%</button>
      </div>
    </div>
  );
};

const root = document.querySelector('#root');
ReactDOM.render(<App />, root);
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