// ==UserScript==
// @name         净化bilibili搜索栏，去除搜索推荐
// @namespace    yuik
// @version      1.0.0
// @description  净化bilibili搜索栏，去除搜索推荐，bili-placeholder
// @author       Yui
// @match        *://*.bilibili.com/*
// @exclude      *://search.bilibili.com/*
// @run-at       document-end
// @icon         https://www.google.com/s2/favicons?sz=64&domain=bilibili.com
// @grant        none
// ==/UserScript==
(function() {
'use strict';
// 定时轮询，检查并修改 placeholder
var interval = setInterval(function() {
var searchInput = document.querySelector("#nav-searchform > div.nav-search-content > input");
if (searchInput && searchInput.placeholder !== '滚去学习') {
searchInput.placeholder = '滚去学习';
console.log("Placeholder modified");
}
}, 100);  // 每隔500ms检查一次
// 停止轮询条件：找到并修改成功后停止
var stopInterval = setInterval(function() {
var searchInput = document.querySelector("#nav-searchform > div.nav-search-content > input");
if (searchInput && searchInput.placeholder === '滚去学习') {
clearInterval(interval);  // 停止轮询
clearInterval(stopInterval);  // 停止停止条件轮询
console.log("Polling stopped");
}
}, 1000);
})();