Work with DOM in Node.js

dom_nodejs.md

Work with DOM in Node.js

const { JSDOM } = require('jsdom')

const htmlFragment = '<ul><li>one</li><li>two</li></ul>'
const jsDomFragment = JSDOM.fragment(htmlFragment)

jsDomFragment.querySelectorAll('li').forEach(li => {
  // make some operatons with DOM element, for example add some class
  li.classList.add('bold')
})

// serialize jsdom fragment to HTML
const updatedHTML = jsDomFragment.firstChild.outerHTML
console.log(updatedHTML) // >> <ul><li class="bold">one</li><li class="bold">two</li></ul>