Rx chat

1.js

var createRandomNickname = len => {
    var text = '';
    var possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
    for(var i = 0; i < len; i++) {
        text += possible.charAt(Math.floor(Math.random() * possible.length));
    }
    return text;
};

ReactDOM.render(<Main nickname={createRandomNickname(6)}/>, document.getElementById('container'));