Volddemar4ik
/
homework


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869
							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #traffic-light-body {
            border: 2px solid black;
            padding: 20px;
            border-radius: 50px;
            width: min-content;
        }

        #color-red,
        #color-yellow,
        #color-green {
            width: 100px;
            height: 100px;
            border-radius: 50%;
            border: 10px solid black;
            margin-bottom: 10px;
            background-color: transparent;
        }
    </style>
</head>

<body>
    <div id="traffic-light">
        <div id="color-red">

        </div>
        <div id="color-yellow">

        </div>
        <div id="color-green">

        </div>
    </div>
</body>
<script>
    const delay = ms => new Promise(ok => setTimeout(() => ok(ms), ms))

    async function trafficLight(timer) {
        while (true) {
            const red = document.getElementById('color-red')
            red.style.backgroundColor = 'red'
            await delay(timer)

            const yellow = document.getElementById('color-yellow')
            yellow.style.backgroundColor = 'yellow'
            await delay(timer)

            red.style.backgroundColor = yellow.style.backgroundColor = 'transparent'
            const green = document.getElementById('color-green')
            green.style.backgroundColor = 'green'

            await delay(timer)
            green.style.backgroundColor = 'transparent'
        }
    }

    trafficLight(1500)

</script>

</html>