Greasy Fork镜像

hi the script didnt work so i fixed it for myself:
// ==UserScript==
// @name Gats.io - Chat scroller
// @namespace http://tampermonkey.net/
// @version 3.3
// @description chat scroller for gats.io with continuous scrolling
// @author nitrogem35
// @match https://gats.io/
// @grant none
// @downloadURL https://update.gf.qytechs.cn/scripts/427578/Gatsio%20-%20Chat%20scroller.user.js
// @updateURL https://update.gf.qytechs.cn/scripts/427578/Gatsio%20-%20Chat%20scroller.meta.js
// ==/UserScript==

(function() {
'use strict';

let chatLoop;
let maxLength;
let scrollText = '';
let scrollSpeed = 200;
let currentIndex = 0;

function startChatLoop() {
chatLoop = true;
loopFunc();
}

function loopFunc() {
if (!chatLoop) return;

let s = scrollText;
let e = currentIndex % 12 === 0 ? 1 : 0;

if (s.length < 28) {
maxLength = s.length;
} else {
maxLength = 28;
}

let displayText = s.substring(currentIndex, currentIndex + maxLength);
if (displayText.length < maxLength) {
displayText += s.substring(0, maxLength - displayText.length);
}

let z = displayText.split('');
let numRandom = Math.round(Math.random() * 2);

for (let j = 0; j < numRandom; j++) {
z.push(" ");
}

z = z.join("");
// Encode commas (,) as tilde (~) because gats client does that
z = z.replaceAll(",", "~");

// Properly send the text with one parameter
Connection.list[0].socket.send(z);

currentIndex = (currentIndex + 1) % s.length;

setTimeout(loopFunc, scrollSpeed);
}

document.getElementById("chatbox").setAttribute("maxlength", 1000);
var div = document.createElement("div");
document.body.appendChild(div);

function createHTML() {
let html = `

`;
div.innerHTML = html;
}

createHTML();

document.addEventListener('keydown', function(key) {
if (key.keyCode == 222) {
chatLoop = !chatLoop;
if (chatLoop) startChatLoop();
}
if (key.keyCode == 220) {
scrollText = document.getElementById("chatbox").value + ' ';
createHTML();
}
if (key.keyCode == 190) {
scrollSpeed += 5;
createHTML();
}
if (key.keyCode == 188) {
scrollSpeed = Math.max(0, scrollSpeed - 5);
createHTML();
}
if (key.keyCode == 186) {
div.innerHTML = div.innerHTML ? '' : createHTML();
}
});
})();