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export const DEMO_CONSTANT = 'I am demo'

export const sum = (a, b) => a + b;

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{
  "name": "Akul Srivastava",
  "header": {
    "title": "welcome to my page"
  },
  "footer": {
    "title": "Thanks for visiting",
    "description": "Come back soon!"
  }
}

akulsr0

export function Greet({ name }) {
  return <h3>Hello, {name}</h3>;
}

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Modules, importing and exporting

CommonJS

Exporting a variable

// user.js
exports.name = "John";

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declare function sum(x: number, y: number): string;

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Using Redux in ReactJS

1. Install redux and react-redux

2. Create state (src/redux/state.js)

// src/redux/state.js

export const numState = {

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[
    {
        "text": "Genius is one percent inspiration and ninety-nine percent perspiration.",
        "author": "Thomas Edison"
    },
    {
        "text": "You can observe a lot just by watching.",
        "author": "Yogi Berra"
    },
    {

akulsr0

import * as React from "react";
import {
  View,
  Animated,
  Image,
  TouchableOpacity,
  Text,
  Dimensions,
  StyleSheet,
} from "react-native";

akulsr0

import React, { useState } from 'react';
import {
  View,
  TextInput,
} from 'react-native';

import Emoji from 'react-native-emoji';

export default function App() {
  

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import React, { useState } from 'react';
import {
  StyleSheet,
  Text,
  View,
  StatusBar,
  Image,
  TouchableOpacity,
  ActivityIndicator,
  ScrollView,