btg5679

import React, { Component } from "react";
import { Image, Text, View, Button, Picker } from "react-native";
import { styles } from "../utils/styles";
import SomeCustomComponent from "./SomeCustomComponent";

// see https://github.com/necolas/react-native-web

class App extends Component {
  _onButtonPress() {
    //do some things

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import { AppRegistry } from "react-native";
import App from "./components/App";

AppRegistry.registerComponent("App", () => App);

AppRegistry.runApplication("App", {
  rootTag: document.getElementById("root")
});

btg5679

	//Explicit vs. Implicit Coercion in JS

	let a = 100;

	let b = a + '';  //IMPLICIT COERCION
	console.log(b) //'100'

	let c = String ( a )  //EXPLICIT COERCION
	console.log(c) //'100'

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function logger({ getState }) {
  return (next) => (action) => {
    console.log('will dispatch', action)
    return returnValue
  }
}

const initialState = {}
const enhancers = []
const middleware = [

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function logger({ getState }) {
  return (next) => (action) => {
    console.log('will dispatch', action)
    return returnValue
  }
}

const initialState = {}
const enhancers = []
const middleware = [

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...

const initialState = {}
const enhancers = []
const middleware = [
  thunk,
  routerMiddleware(history)
]

const composedEnhancers = compose(

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var a = { name: 'Pilsner', abv: 5.4 };//  Remains untouched
var b = Object.assign({}, a, {abv: 6.7})//  b = { name: 'Pilsner', abv: 6.7 }}

var a = [0, 1, 2]//  Remains untouched
var b = a.concat(3)//  b = [0, 1, 2, 3]
var c = a.filter((val) => != 2)// c = [0, 1, 3]

var a = {name: 'Dave Matthews', songs: [0, 1, 2]}//  Remains untouched
var b = Object.assign({}, a, {name: 'Jack Johnson'});// b = {name: 'Jack Johnson', songs: [0, 1, 2]}
b.songs = a.songs.concat(3);//  b = {name: 'Jack Johnson', things: [0, 1, 2, 3]}

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import { createStore } from 'redux';

//  Store  
const dataStore = createStore(r, {
  beerlist: {
    name: 'IPA',
    abv: 7.4
  },
  beersOnTap: 1,
  liveMusicHistory: {

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import { createStore } from 'redux';

//  Store  
const dataStore = createStore(r, {
  beerlist: {
    name: 'IPA',
    abv: 7.4
  },
  beersOnTap: 1,
  liveMusicHistory: {

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import { createStore } from 'redux';

//  Store  
const dataStore = createStore(r, {
  beerlist: {
    name: 'IPA',
    abv: 7.4
  },
  beersOnTap: 1,
  liveMusicHistory: {