how babel transpiler works code example

Example 1: transpiler Babel

export default React.createClass({
  getInitialState() {
    return { num: this.getRandomNumber() };
  },

  getRandomNumber() {
    return Math.ceil(Math.random() * 6);
  },

  render() {
    return <div>
      Your dice roll:
      {this.state.num}
    </div>;
  }
});
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Example 2: transpiler Babel

npm install --save-dev @babel/preset-react
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