JavaScript

class MinecraftCodeObfuscated extends React.Component {
  constructor (props) {
    super(props);

    this.state = {
      value: this.props.value
    }

    this.value = '';
    this.intervals = [];
  }

  componentDidMount () {
    this.replaceChar(0)
  }

  componentWillUnmount () {
    this.intervals.forEach(interval => {
      clearInterval(interval)
    });
  }

  randomString (len) {
    let string = "";
    for (let i =0; i < len; i++) {
      string += String.fromCharCode(rand(64,95));
    }
    return string;
  }

  replaceChar(i) {
    this.value[i] = this.randomString(1); // ВОТ ТУТ БЛЯТСКАЯ ОШИБКА мол this.value is read only!!!!
    this.setState({
      value: this.value
    });
  }

  render () {
    return (<span className={this.props.classnames}>{this.state.value}</span>)
  }
}