获取字幕

function formatTS(delta) {
    var date = new Date(new Date().getTime() - window.start + (delta || 0));
    return "00:" +
        ("0" + date.getMinutes()).slice(-2) + ":" +
        ("0" + date.getSeconds()).slice(-2) + "," +
        ("00" + date.getMilliseconds()).slice(-3);
}

function printTexts() {
    console.log(
        window.texts.join("")
        // + formatTS() + "\r\n" + window.sub + "\r\n\r\n"
    );
    return "";
}

function record() {
    document.getElementsByTagName("video")[0].click();
    window.start = new Date().getTime() - 1;  // global
    window.texts = new Array();
    window.texts.push(
        "1" + "\r\n"
        // + formatTS() + " --> "
    );
    window.i = 2;                             // global
    window.sub = "";                          // global
    window.lastSub = "";
    setInterval(function() {
        // DOMSubtreeModified
        window.sub = document.getElementsByClassName("css-jrziy5")[0].innerText;
        if (window.lastSub !== window.sub) {
            console.log(window.sub);
            window.texts.push(
                // formatTS(-5) + "\r\n" +
                window.sub + "\r\n" +
                "\r\n" +
                (window.i++) + "\r\n"
                // + formatTS() + " --> "
            );
            window.lastSub = window.sub;
        }
    }, 10);
    return "start recording...";
}

record();