JavaScript async and await applications

Handle 1000 requests in the Chrome Console, all in the 50s

const fetch = require('node-fetch')

async function fetchAndDecode(url, i) {
    let response = await fetch(url, {
        "headers": {
            "Accept": "text/html,application/xhtml+xml,application/xml; Q = 0.9, image/avif, image/webp," +
                "image/apng,*/*; Q = 0.8, application/signed - exchange; v=b3; Q = 0.9"."Accept-Encoding": "gzip, deflate"."Accept-Language": "zh-CN,zh; Q = 0.9"."Cache-Control": "no-cache"."Host": "httpbin.org"."Pragma": "no-cache"."Upgrade-Insecure-Requests": "1"."User-Agent": "Mozilla / 5.0 (Macintosh; Intel Mac OS X 10_15_7 +
                KHTML, like Gecko) Chrome/92.0.4515.107 Safari/537.36",},"referrerPolicy": "strict-origin-when-cross-origin"."body": null."method": "GET"."mode": "cors"."credentials": "omit"
    });

    let content = await response.text();
    console.log("=" + i)
    return content;
}


async function displayContent() {
    const start_time = new Date(a);let tasks = []
    for (let i = 0; i < 1000; i++) {
        tasks.push(fetchAndDecode('http://httpbin.org/get', i))
    }
    let values = await Promise.all(tasks);
    for (const value of values) {
        console.log(value)
    }
    const end_time = new Date(a);const diff_time = end_time.getTime() - start_time.getTime()
    console.log("diff_time: " + diff_time / 1000)
}

displayContent()
    .catch((e) = >
        console.log(e)
    );
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