De-paginates a blog or image gallery by fetching multiple pages and attaching them to the current page for easy archival. (NO JQUERY REQUIRED.)

concatenate_multiple_pages.js

/*
  Similar to:
  • https://gist.github.com/vjk2005/3331714 (ajax-page-loader.js)
  • https://gist.github.com/vjk2005/3812832 (deepload.js)
*/

let start = 2,
    end = 8,
    url = ''

let loadPage = async page => {
	let response = await fetch(url + page)
	let data = await response.text()
	let html = new DOMParser().parseFromString(data, 'text/html')

  document.body.insertAdjacentHTML('beforeend', html.body.innerHTML)
	
  if(page <= total) loadPage(++page)
}

// begin
loadPage(start)