JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://unpkg.com/prop-types@15.5.10/prop-types.js"></script>
<script src="https://unpkg.com/react@16/umd/react.development.js"></script>
<script src="https://unpkg.com/react-dom@16/umd/react-dom.development.js"></script>
<div id="container"></div>

Babel + JSX

const range = count => new Array(count).fill();

class Child extends React.Component {
  render() {
    return (
      <div>
        Strings: {this.props.bigStrings.length}
      </div>
    );
  }
}

class App extends React.Component {

  state = {
    bigStrings: []
  }

  componentDidMount() {
    // Load some data
    this.setState({
      bigStrings: range(2000).map(i =>
        range(10000).map(j =>
          Math.random().toString(36)).join(''))
    });
  }

  clearState = () => {
    this.setState({ bigStrings: [] });
  }

  render() {
    return ( 
      <div>
        <Child bigStrings={this.state.bigStrings} />
        <button onClick={this.clearState}>Clear state</button>
      </div>
    );
  }
}

ReactDOM.render(<App name="world"/>, document.getElementById('container'));