腾讯会议对网速要求高吗

function estimateBandwidth(callback) {
    const fileSizeInBytes = 1024 * 1024; // 1MB file size
    const url = 'https://example.com/testfile.bin'; // Replace with actual test file URL

    const xhr = new XMLHttpRequest();
    const startTime = new Date().getTime();

    xhr.open('GET', url, true);
    xhr.responseType = 'blob';

    xhr.onloadstart = function() {
        // Handle start of download
    };

    xhr.onload = function() {
        const endTime = new Date().getTime();
        const durationInSeconds = (endTime - startTime) / 1000;
        const bandwidthInMbps = (fileSizeInBytes * 8) / (durationInSeconds * 1024 * 1024);
        callback(bandwidthInMbps);
    };

    xhr.send();
}

estimateBandwidth(function(bandwidth) {
    console.log('Estimated bandwidth:', bandwidth.toFixed(2), 'Mbps');
});