Print GitHub Markdown Document

markdown-printer.js

// Print GitHub Markdown Document 
// Copy following scripts in the developer console of page included markdown content you want to print and run "printMarkdown("#readmy")

function printMarkdown(selector) {
  var $ = document.querySelector.bind(document);
  $(selector).setAttribute('style', 'position:absolute;top:0;left:0;right:0;bottom:0;z-index:100;background-color:white');
  $(selector + '>article').setAttribute('style', 'border: none');
  $('body').innerHTML = $(selector).outerHTML;
  window.print();
}