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| /* | |
| * This is a version of Facebook's React Conditional Rendering | |
| * example modified to support firebase authentication. | |
| * https://facebook.github.io/react/docs/conditional-rendering.html | |
| */ | |
| import React, { Component, PropTypes } from 'react'; | |
| import * as firebase from 'firebase'; | |
| function UserAvatar(props) { |
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| function test1() { | |
| const timer = (ms) => { | |
| return new Promise(resolve => { | |
| setTimeout(() => { | |
| resolve(); | |
| }, ms) | |
| }); | |
| } | |
| let promises = [timer(4000), timer(2000), timer(3000), timer(1000)]; |
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| var promise1 = new Promise((resolve, reject) => { | |
| setTimeout(() => { | |
| console.log('Begin resolve promise 1') | |
| resolve('First') | |
| console.log('End resolve promise 1') | |
| }, 4000) | |
| }) | |
| var promise2 = new Promise((resolve, reject) => { | |
| setTimeout(() => { |
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| const fetch = require('node-fetch') | |
| const Bacon = require('baconjs') | |
| function getInPortuguese(word) { | |
| // Google Translate API is a paid (but dirt cheap) service. This is my key | |
| // and will be disabled by the time the video is out. To generate your own, | |
| // go here: https://cloud.google.com/translate/v2/getting_started | |
| const apiKey = | |
| 'AIzaSyB4DyRHIsNhogQXmH16YKbZfR-lTXrQpq0' | |
| const url = |
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| var timer = (ms) => { | |
| return new Promise((resolve, reject) => { | |
| setTimeout(() => { | |
| resolve(); | |
| }, ms) | |
| }); | |
| } | |
| promises = [timer(3000), timer(5000), timer(1000), timer(2000)] | |
| async function doSomething() { |
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| var timer = (ms) => { | |
| return new Promise((resolve, reject) => { | |
| setTimeout(() => { | |
| resolve(); | |
| }, ms) | |
| }); | |
| } | |
| promises = [timer(3000), timer(5000), timer(1000), timer(2000)] | |
| async function doSomething() { | |
| idx = 0; |
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| var test = () => { | |
| new Promise((resolve, reject) => { | |
| resolve(undefined); // Will call then | |
| }).then(() => { | |
| console.log("Then"); | |
| }).catch(() => { | |
| console.log("Catch"); | |
| }) | |
| } |
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| var timer = (ms) => { | |
| return new Promise((resolve, reject) => { | |
| setTimeout(() => { | |
| resolve(); | |
| }, ms) | |
| }); | |
| } | |
| var promise1 = timer(4000); | |
| timer(4000).then(() => { |
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| var timer = (ms) => { | |
| return new Promise((resolve, reject) => { | |
| setTimeout(() => { | |
| resolve(); | |
| }, ms) | |
| }); | |
| } | |
| promises = [timer(3000), timer(5000), timer(1000), timer(2000)] | |
| promises.reduce((chain, promise, idx) => { |
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