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@@ -0,0 +1,74 @@
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+<!DOCTYPE html>
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+<html lang="en">
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+<head>
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+ <meta charset="UTF-8">
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+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
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+ <title>Speed-test</title>
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+</head>
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+<body>
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+
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+
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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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+
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+ async function speedtest(getPromise, count,parallel=1){
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+
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+
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+
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+ var duration = 0;
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+ var querySpeed;
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+ var queryDuration;
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+ var parallelSpeed;
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+ var parallelDuration;
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+
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+
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+
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+
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+ for(let j = 0; j < count; j++) {
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+
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+ let start = new Date().getTime();
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+ let parallelArray = []
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+
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+ for(let i = 0; i < parallel; i++) {
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+ parallelArray.push(getPromise());
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+ }
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+
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+ console.log(await Promise.all(parallelArray));
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+
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+
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+ let end = new Date().getTime();
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+
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+ duration += (end - start);
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+
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+ };
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+
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+
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+ querySpeed = (count * parallel) / duration;
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+ queryDuration = duration / count;
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+ parallelSpeed = (count * parallel) / duration;
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+ parallelDuration = count / duration;
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+
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+
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+ return {
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+ duration,
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+ querySpeed, //средняя скорость одного запроса
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+ queryDuration, //
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+ parallelSpeed,
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+ parallelDuration
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+ }
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+ }
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+
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+//speedtest(() => delay(1000), 10, 10 ).then(result => console.log(result));
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+// {duration: 10000,
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+// querySpeed: 0.001, //1 тысячная запроса за миллисекунду
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+// queryDuration: 1000, //1000 миллисекунд на один реальный запрос в среднем
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+// parallelSpeed: 0.01 // 100 запросов за 10000 миллисекунд
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+// parallelDuration: 100 // 100 запросов за 10000 миллисекунд
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+//speedtest(() => fetch('http://swapi.dev/api/people/1').then(res => res.json()), 10, 5);
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+
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+speedtest(() => fetch('http://swapi.dev/api/people/1').then(res => res.json()), 10, 5).then(result => console.log(result));
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+
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+ </script>
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+</body>
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+</html>
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