[ES6] Export class and variable

Export variable:

export const MAX_USERS = 3;
export const MAX_REPLIES = 3;

Export default class:

export default class FlashMessage {
  constructor(message){
    this.message = message;
  }

  renderAlert(){
    alert(`${this.message} from alert`);
  }

  renderLog(){
     console.log(`${this.message} from log`);
  }
}

-------------------------------

import anythingYouWantToNameit from './flash-message';

Export named class:

class FlashMessage {

  constructor(message){
    this.message = message;
  }

  renderAlert(){
     alert(`${this.message} from alert`);
  }

  renderLog(){
      console.log(`${this.message} from log`);
  }

  export { FlashMessage };

}

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import FlashMessage from './flash-message';