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@@ -0,0 +1,51 @@
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+<header>speedtest</header>
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+
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+<body>
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+ <script>
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+ const delay = ms => new Promise(ok => setTimeout(() => ok(ms), ms))
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+ let duration = 0;
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+ async function speedtestOne(getPromise) {
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+ let startTime = new Date();
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+ await getPromise();
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+ let endTime = new Date();
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+ return endTime - startTime;
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+ }
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+ async function speedtest(getPromise, count, parallel = 1) {
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+ const arr = [];
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+ let startTime = new Date();
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+ let execCount = 0;
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+ while (execCount < count) {
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+ for (i = 0; i < parallel; i++) {
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+ execCount++;
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+ if (execCount > count)
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+ break;
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+ arr.push(new Promise(async () => await getPromise()));
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+ let y = 0;
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+ }
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+ let results = await Promise.all(arr);
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+ let x = 0;
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+ }
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+ let endTimeParallel = new Date();
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+ parallelDuration = endTimeParallel - startTime;
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+ parallelSpeed = parallelDuration / count;
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+ duration += parallelDuration;
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+ querySpeed = 0;
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+ queryDuration = 0;
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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(10000), 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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+ </script>
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+</body>
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