npm install rss-tools
const r = require('rss-tools')
const dtStr = r.dateFormat(new Date())
// 2022-10-18 19:52:55
const htmlStr = '<h1 title="abc">zheshih1 <span>123 </span> </h1>'
const str = r.htmlEscape(htmlStr)
// <h1 title="abc">zheshih1 <span>123&nbsp</span> </h1>
const str1 = r.htmlUnEscape(str)
// <h1 title="abc">zheshih1 <span>123 </span> </h1>
ISC