nairihar

function Bank() {
  // public variables
  this.name = 'B7'
  
  // public methods
  this.getBalance = function() {
    return _balance
  }
  this.addToBalance = function(count) {
    _addBalance(count)

nairihar

// private variables
let _balance = 0
let _logs = []

export default class Bank {
  constructor() {
    // public variables
    this.name = 'B7'
  }
  

nairihar

const _state = new WeakMap()

const _addBalance = new WeakMap()
const _logBankChange = new WeakMap()

export default class Bank {
  constructor() {
    // public variables
    this.name = 'B7'

nairihar

const _addBalance = Symbol('addBalance')
const _logBankChange = Symbol('logBankChange')
const _privateData = Symbol('privateData')

export default class Bank {
  constructor() {
    // public variables
    this.name = 'B7'

    // private variables

nairihar

const b = new Bank()

Object.getOwnPropertySymbols(b)
Object.getOwnPropertySymbols(b.__proto__)

nairihar

class C {
  // private method
  #foo() { console.log('hi'); }

  bar() {
    #foo();
  }
}

nairihar

// 1
const player = new GameSDK.Player(options);

// 2
const roomId = await player.createRoom(options);

// 3
player.joinRoom(roomId);

nairihar

#redBox {
  width: 25px;
  height: 25px;
  background-color: red;
}

nairihar

import { StyleSheet } from 'react-native';

StyleSheet.create({
  redBox: {
    width: 25,
    height: 25,
    backgroundColor: 'red',
  }
});

nairihar

try {
  const news = await getAllNews(input);
} catch (err) {
  console.log(err.message); // automatic generated message for getAllNews function  
}