【B站】B站计算集数时长，调节任意倍速

打开浏览器，任意收藏一个网址，将URL替换为下面的代码并保存
打开任意B站视频页面，点击这个收藏的网址，即可在页面右边看到如下窗口
javascript: (function () {

  var hour = 0;

  var minute = 0;

  var second = 0;

  var txt = document.getElementsByClassName("cur-page")[0].innerHTML;

  var page = txt.match(/\/(\d+)/)[1];

  function f1() {

    hour = 0;

    minute = 0;

    second = 0;

    var min = 0;

    var sec = 0;

    if (document.getElementById("divChild")) {

      d.removeChild(document.getElementById("divChild"));

    }

    if (

      parseInt(input1.value) >= 1 &&

      parseInt(input1.value) <= page &&

      parseInt(input2.value) <= page &&

      parseInt(input1.value) <= parseInt(input2.value)

    ) {

      for (

        var i = parseInt(input1.value) - 1;

        i < parseInt(input2.value);

        i++

      ) {

        var time = document.getElementsByClassName("duration")[i].innerHTML;

        var t = time.match(/\d+/g);

        if (t.length == 3) {

          var h = t[0];

          var m = t[1];

          var s = t[2];

        } else {

          var h = 0;

          var m = t[0];

          var s = t[1];

        }

        hour += parseInt(h);

        min += parseInt(m);

        sec += parseInt(s);

      }

      hour += parseInt(min / 60);

      minute = min - parseInt(min / 60) * 60 + parseInt(sec / 60);

      second = sec - parseInt(sec / 60) * 60;

      if (minute >= 60) {

        hour += parseInt(minute / 60);

        minute = minute - parseInt(minute / 60) * 60;

      }

      if (second >= 60) {

        minute = parseInt(second / 60);

        second = second - parseInt(second / 60) * 60;

      }

      if (input3.value != 1) {

        var total = hour * 3600 + minute * 60 + second;

        total = total / input3.value;

        hour = parseInt(total / 3600);

        minute = parseInt((total % 3600) / 60);

        second = total % 60;

      }

      var d1 = document.createElement("div");

      d1.style.cssText = "margin-top:15px";

      d1.setAttribute("id", "divChild");

      d.appendChild(d1);

      var t1 = document.createTextNode(

        "全" +

          (parseInt(input2.value) - parseInt(input1.value) + 1) +

          "集:" +

          hour +

          "时" +

          minute +

          "分" +

          parseInt(second) +

          "秒"

      );

      d1.appendChild(t1);

    } else {

      var d1 = document.createElement("div");

      d1.style.cssText = "margin-top:15px";

      d1.setAttribute("id", "divChild");

      d.appendChild(d1);

      var t1 = document.createTextNode("输入与实际集数不符");

      d1.appendChild(t1);

    }

  }

  function f2() {

    document.querySelector("video").playbackRate = parseFloat(input4.value);

    console.log(parseFloat(input4.value));

  }

  function over() {

    btn.style.backgroundColor = "#E4E4E4";

  }

  function out() {

    btn.style.backgroundColor = "#F4F4F4";

  }

  function over2() {

    btn2.style.backgroundColor = "#E4E4E4";

  }

  function out2() {

    btn2.style.backgroundColor = "#F4F4F4";

  }

  var body = document.body;

  var d = document.createElement("div");

  d.style.cssText =

    "padding-top:15px;width:145px;height:180px;background-color:#F4F4F4;position:absolute;right:55px;top:218px;border:1px solid #00A1D6;color:#00A1D6;z-index:999;text-align:center;font-size:14px";

  body.appendChild(d);

  var d2 = document.createElement("div");

  d.appendChild(d2);

  var t2 = document.createTextNode("第");

  d2.appendChild(t2);

  var input1 = document.createElement("input");

  input1.setAttribute("type", "number");

  input1.style.cssText = "border: 1px solid deepskyblue;width:40px";

  d2.appendChild(input1);

  var t3 = document.createTextNode("集到");

  d2.appendChild(t3);

  var input2 = document.createElement("input");

  input2.setAttribute("type", "number");

  input2.style.cssText = "border: 1px solid deepskyblue;width:40px";

  d2.appendChild(input2);

  var t4 = document.createTextNode("集");

  d2.appendChild(t4);

  var t5 = document.createTextNode("倍速：");

  d2.appendChild(t5);

  var input3 = document.createElement("input");

  input3.setAttribute("type", "number");

  input3.style.cssText =

    "border: 1px solid deepskyblue;width:50px;margin-top:15px;margin-right:10px";

  input3.value = 1;

  d2.appendChild(input3);

  var t6 = document.createTextNode("倍");

  d2.appendChild(t6);

  var btn = document.createElement("input");

  btn.setAttribute("type", "button");

  btn.setAttribute("value", "计算");

  btn.style.cssText =

    "width:50px;margin-top:15px;border: 1px solid #00A1D6;cursor:pointer";

  d.appendChild(btn);

  btn.onclick = f1;

  btn.onmouseover = over;

  btn.onmouseout = out;

  var d3 = document.createElement("div");

  d.appendChild(d3);

  var t7 = document.createTextNode("当前倍速：");

  d3.appendChild(t7);

  var input4 = document.createElement("input");

  input4.setAttribute("type", "number");

  input4.style.cssText =

    "border: 1px solid deepskyblue;width:50px;margin-top:15px;margin-right:10px";

  input4.value = document.querySelector("video").playbackRate;

  d3.appendChild(input4);

  var btn2 = document.createElement("input");

  btn2.setAttribute("type", "button");

  btn2.setAttribute("value", "修改");

  btn2.style.cssText =

    "width:50px;margin-top:15px;border: 1px solid #00A1D6;cursor:pointer";

  d.appendChild(btn2);

  btn2.onclick = f2;

  btn2.onmouseover = over2;

  btn2.onmouseout = out2;

})();
巴特西

【B站】B站计算集数时长，调节任意倍速

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