实测斗鱼弹幕上限61字符，PCWeb默认为41字符
// ==UserScript==
// @name 斗鱼弹幕上限
// @namespace http://tampermonkey.net/
// @version 0.1
// @description 实测斗鱼弹幕上限61字符，PCWeb默认为41字符
// @author logicycle
// @match *://www.douyu.com/*
// @grant none
// @license AGPL
// ==/UserScript==
(function() {
'use strict';
let timesRun = 0;
let interval = self.setInterval(function(){
let array = document.getElementsByClassName("ChatSend-txt");
if (array.length == 1){
array[0].setAttribute("maxlength", "61");
}
timesRun++;
if (timesRun == 30){
if (array.length == 0)
console.log("加载超时或页面转移了");
else
console.log("修改成功");
self.clearInterval(interval);
}
}, 2000);
})();