index.js

//npx javascript-obfuscator --unicode-escape-sequence true index.js
for (const button of globalThis.document.querySelectorAll('button')) button.onclick = async event =>
{
    const name = globalThis.decodeURIComponent(globalThis.location.pathname).slice(1)
    globalThis.document.querySelector('video').querySelector('source').src = await globalThis.fetch('https://backend.chaowenguo.eu.org/mp4', {method:'post', body:globalThis.JSON.stringify({episode:event.target.textContent})}).then(_ => _.text())
    globalThis.document.querySelector('video').querySelector('track').src = globalThis.URL.createObjectURL(await globalThis.fetch('https://backend.chaowenguo.eu.org', {method:'post', body:globalThis.JSON.stringify({episode:event.target.textContent})}).then(_ => _.blob()))
    globalThis.document.querySelector('video').load()
    globalThis.document.querySelector('title').textContent = name + event.target.textContent
}