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+<!DOCTYPE html>
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+<html lang="en">
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+
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+<head>
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+ <meta charset="UTF-8">
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+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Document</title>
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+ <style>
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+ .container {
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+ display: flex;
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+ padding: 50px 0 0 100px;
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+
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+ }
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+
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+ #trafficLight {
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+ max-width: 200px;
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+ height: 700px;
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+ background-color: black;
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+ }
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+
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+ #Red {
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+ width: 200px;
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+ height: 200px;
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+ border-radius: 50%;
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+ background-color: gray;
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+ margin: 0 0 30px 0;
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+
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+ }
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+
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+ #Yellow {
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+ width: 200px;
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+ height: 200px;
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+ border-radius: 50%;
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+ background-color: gray;
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+ margin: 0 0 30px 0;
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+
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+ }
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+
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+ #Green {
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+ width: 200px;
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+ height: 200px;
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+ border-radius: 50%;
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+ background-color: gray;
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+ margin: 0;
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+ }
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+
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+ h3 {
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+ padding: 90px 0 0 95px;
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+
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+ }
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+
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+ #pedestrianTrafficLight {
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+ max-width: 200px;
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+ height: 460px;
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+ background-color: black;
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+ margin-left: 100px;
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+
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+ }
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+
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+ #red {
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+ width: 200px;
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+ height: 200px;
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+ border-radius: 50%;
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+ background-color: gray;
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+ }
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+
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+ #green {
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+ width: 200px;
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+ height: 200px;
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+ border-radius: 50%;
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+ background-color: gray;
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+ }
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+
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+ button {
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+ width: 150px;
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+ height: 30px;
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+ margin: 20px 0 0 420px;
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+ display: inline;
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+ }
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+ </style>
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+</head>
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+
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+<body>
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+ <div class="container">
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+ <div id="trafficLight">
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+ <div id="Red">
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+ <h3 id="timerRed"></h3>
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+ </div>
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+ <div id="Yellow">
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+ <h3 id="timerYellow"></h3>
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+ </div>
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+ <div id="Green">
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+ <h3 id="timerGreen"></h3>
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+ </div>
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+ </div>
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+ <div id="pedestrianTrafficLight">
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+
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+ <div id="red">
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+ <h3 id="redTimer"></h3>
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+ </div>
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+ <div id="green">
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+ <h3 id="greenTimer"></h3>
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+ </div>
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+
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+
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+ </div>
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+
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+ </div>
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+ <button id="knopka">Сhange</button>
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+ <script>
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+ const delay = ms => new Promise(ok => setTimeout(() => ok(ms), ms))
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+
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+ async function timer(time, id) {
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+ for (time; time >= 0; time--) {
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+ id.innerHTML = time
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+ sec = await delay(1000)
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+ id.innerHTML = ''
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+ }
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+ }
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+
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+ function domEventPromise(button, eventName) {
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+ return new Promise((resolve, reject) => {
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+ button.addEventListener(eventName, (e) => {
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+ resolve(e);
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+ });
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+ button.removeEventListener(eventName, (e) => {
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+ resolve(e);
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+ });
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+ });
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+ }
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+ domEventPromise(knopka, 'click').then(e => console.log('event click happens', e))
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+
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+ async function trafficLight() {
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+ while (true) {
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+ if (true) {
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+ Green.style.background = "#00FF00";
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+ Red.style.background = "grey";
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+ knopka.disabled = true
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+ await delay(3000);
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+ knopka.disabled = false
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+ await Promise.race([
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+ delay(5000),
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+ domEventPromise(knopka, 'click').then((e) => console.log('event click happens', e))
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+ ])
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+ }
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+
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+ var styleYellow = (document.getElementById("Yellow").style.background = "#FFD700");
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+
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+ var awaitGrey = await delay(1000);
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+ var styleGrey = (document.getElementById("Yellow").style.background = "grey");
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+
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+ if (true) {
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+ Red.style.background = "#FF0000";
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+ Green.style.background = "grey";
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+ knopka.disabled = true
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+ await delay(3000);
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+ knopka.disabled = false
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+ await Promise.race([
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+ delay(5000),
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+
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+ ])
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+ }
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+
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+ var styleYellow = (document.getElementById("Yellow").style.background = "#FFD700");
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+
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+ var awaitGrey = await delay(2000);
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+ var styleGrey = (document.getElementById("Yellow").style.background = "grey");
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+ }
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+ // var styleYellow = (document.getElementById("Yellow").style.background = "#FFD700");
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+
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+ // var awaitGrey = await delay(2000);
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+ // var styleGrey = (document.getElementById("Yellow").style.background = "grey");
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+
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+ // var styleYeGreen = (document.getElementById("Green").style.background = "#00FF00");
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+
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+ // var awaitGrey = await delay(6000);
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+ // var styleGrey = (document.getElementById("Green").style.background = "grey");
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+
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+ // var styleYellow = (document.getElementById("Yellow").style.background = "#FFD700");
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+
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+ // var awaitGrey = await delay(2000);
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+ // var styleGrey = (document.getElementById("Yellow").style.background = "grey");
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+
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+
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+
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+ }
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+ // }
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+ trafficLight()
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+
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+
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+ // async function trafficLight() {
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+ // while (true) {
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+ // var styleRed = (document.getElementById("Red").style.background = "#FF0000");
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+ // timer(5, timerRed)
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+ // var awaitGrey = await delay(6000);
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+ // var styleGrey = (document.getElementById("Red").style.background = "grey");
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+
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+ // var styleYellow = (document.getElementById("Yellow").style.background = "#FFD700");
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+ // timer(1, timerYellow)
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+ // var awaitGrey = await delay(2000);
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+ // var styleGrey = (document.getElementById("Yellow").style.background = "grey");
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+
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+ // var styleYeGreen = (document.getElementById("Green").style.background = "#00FF00");
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+ // timer(5, timerGreen)
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+ // var awaitGrey = await delay(6000);
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+ // var styleGrey = (document.getElementById("Green").style.background = "grey");
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+
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+ // var styleYellow = (document.getElementById("Yellow").style.background = "#FFD700");
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+ // timer(1, timerYellow)
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+ // var awaitGrey = await delay(2000);
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+ // var styleGrey = (document.getElementById("Yellow").style.background = "grey");
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+
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+
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+
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+ // }
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+ // }
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+ // trafficLight()
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+
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+
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+
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+
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+
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+
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+ async function pedestrianTrafficLight() {
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+ while (true) {
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+ if (true) {
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+ red.style.background = "#FF0000";
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+ green.style.background = "grey";
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+ knopka.disabled = true
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+ await delay(3000);
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+ knopka.disabled = false;
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+ await Promise.race([
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+ delay(5000),
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+ domEventPromise(knopka, 'click').then((e) => {
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+ console.log('event click happens', e)
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+
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+ })
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+ ])
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+ if (true) {
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+ await delay(1000)
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+ knopka.disabled = true
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+ green.style.background = " #00FF00"
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+ red.style.background = "grey"
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+ await delay(8000)
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+ red.style.background ="grey"
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+ green.style.background = "grey"
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+ await delay(2000)
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+ }
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+ }
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+ }
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+ }
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+ pedestrianTrafficLight()
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+
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+
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+ async function speedtest(getPromise, count, parallel = 1) {
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+ let duration = performance.now();
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+ let initParallel = parallel;
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+ let promisArray = [];
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+ for (let i = 0; i < count; i++) {
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+ promisArray[i] = getPromise();
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+ parallel -= 1;
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+ await Promise.all(promisArray);
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+ }
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+
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+ console.log(promisArray);
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+
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+ duration = performance.now() - duration;
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+ console.log(duration);
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+ console.log(initParallel * count);
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+
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+ return {
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+ duration: duration,
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+ querySpeed: count / duration,
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+ queryDuration: duration / count,
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+ parallelSpeed: (count / duration) * initParallel,
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+ parallelDuration: duration / (initParallel * count),
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+ };
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+ }
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+
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+ speedtest(() => delay(1000), 10, 10).then((result) =>
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+ console.log(result)
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+ );
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+ speedtest(
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+ () =>
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+ fetch("http://swapi.dev/api/people/1").then((res) =>
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+ res.json()
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+ ),
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+ 1,
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+ 2
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+ );
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+ </script>
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+
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+</body>
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+
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+</html>
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