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<!DOCTYPE html> <html> <body> <h2>Using the XMLHttpRequest object</h2> <button type="button" onclick="loadXMLDoc()">Change Content</button> <p id="demo"></p> <script> function loadXMLDoc() { var xmlhttp; if (window.XMLHttpRequest) { xmlhttp = new XMLHttpRequest(); } else { // code for older browsers xmlhttp = new ActiveXObject("Microsoft.XMLHTTP"); } xmlhttp.onreadystatechange = function() { if (xmlhttp.readyState == 4 && xmlhttp.status == 200) { document.getElementById("demo").innerHTML = xmlhttp.responseText; } }; xmlhttp.open("GET", "xmlhttp_info.txt", true); xmlhttp.send(); } </script> </body> </html>