rewritten T.load from https://s.amebame.com/#top?frm_id=c.am-brow_l.top-_r.am-www

gistfile1.txt

  T.load = function () {
    var e = r.apply(arguments);
    var t = e.pop();
    var n = e.length;
    var i = 0;
    var o = function () {
      console.log("callback called");
      t.apply(this, arguments)
    };

    e.forEach(function (e) {
      if (A[e]) {
        if (--n === 0 && t) o("load");
        return
      }
      var r = null;
      var s = e.indexOf(".js") >= 0;
      var u = e.indexOf(".css") >= 0;
      if (s) {
        r = tag("script", {
          type: "text/javascript",
          src: e,
          async: "async"
        });
        ["load", "error"].forEach(function (i) {
          r.on(i, function () {
            r.off("load").off("error").remove();
            if (i === "load") {
              A[e] = 1;
              D.info("loaded script", e)
            }
            if (--n === 0 && t) o(i)
          })
        })
      } else if (u) {
        r = T.tag("link", {
          rel: "stylesheet",
          type: "text/css",
          href: e
        });
        i = 0;
        r.on("load", function(){
            o();
        });
      }
      T("head").append(r)
    })
  };