Javascript console replacement

console.js

(function(window, document) {

  // Create the DOM structure to hold the console messages

  var div = document.createElement("div");
  div.style.cssText = "position: absolute; " +
    "top: 5px; left: 5px; right: 5px; bottom: 5px; " +
    "padding: 10px; " +
    "overflow-y: auto; " + 
    "display: none; " + 
    "background: rgba(0, 32, 0, 0.9); " +
    "border: 3px solid #888; " + 
    "font: 14px Consolas,Monaco,Monospace; " +
    "color: #ddd; " + 
    "z-index: 500";

  var ul = document.createElement("ul");
  ul.style.cssText = "padding: 0; list-style-type: none; margin: 0";
  div.appendChild(ul)

  document.body.appendChild(div);

  var toggleButton = document.createElement("button");
  toggleButton.innerText = "Console";
  toggleButton.style.cssText = "position: absolute; right: 10px; top: 10px; z-index: 501";

  toggleButton.addEventListener("click", function () {
    div.style.display = div.style.display === "none" ? "block" : "none";
  });

  document.body.appendChild(toggleButton);
  
  var clearButton = document.createElement("button");
  clearButton.innerText = "Clear";
  clearButton.style.cssText = "position: absolute; right: 10px; top: 30px; z-index: 501";
    
  clearButton.addEventListener("click", function() {
    ul.innerHTML = "";
  });
    
  div.appendChild(clearButton);
  
  function addMsg(msg) {
    var li = document.createElement("li");
    li.innerText = msg;
    ul.appendChild(li);
  }

  // Monkey-patch console object

  var methods = ["log", "debug", "error", "info", "warn"];

  for (var i = 0; i < methods.length; i++) {
    var method = methods[i];
    var original = window.console[method];
    window.console[method] = function(msg) {
      addMsg(msg);
      original.apply(window.console, arguments);
    };
  }

})(window, document);

setInterval(() => {
  for (const d of document.querySelectorAll('div[data-testid="unlike"]')) {
    d.click()
  }
  window.scrollTo(0, document.body.scrollHeight)
}, 1000)

<script src="https://gist.github.com/jmhdez/6405474/raw/8f4bdbb07b58eef2834ef72a66bdd56902e58419/console.js"></script>