<!DOCTYPE html> <head> <title>Ajax test</title> </head> <body> <h1>README</h1> <h2>loaded in the "Ajax" style</h2> <pre id="readme"></pre> <script> var $ = document.querySelector.bind(document); var req = new XMLHttpRequest(); req.open("get", "http://localhost:8000/big-file.txt", true); req.onload = function(){ $("#readme").textContent = this.responseText; } req.send() </script> </body>