php refresh page without reloading
window.addEventListener('load', function() { var xhr = null; getXmlHttpRequestObject = function() { if(!xhr) { // Create a new XMLHttpRequest object xhr = new XMLHttpRequest(); } return xhr; }; updateLiveData = function() { var now = new Date(); // Date string is appended as a query with live data // for not to use the cached version var url = 'livefeed.txt?' + now.getTime(); xhr = getXmlHttpRequestObject(); xhr.onreadystatechange = evenHandler; // asynchronous requests xhr.open("GET", url, true); // Send the request over the network xhr.send(null); }; updateLiveData(); function evenHandler() { // Check response is ready or not if(xhr.readyState == 4 && xhr.status == 200) { dataDiv = document.getElementById('liveData'); // Set current data text dataDiv.innerHTML = xhr.responseText; // Update the live data every 1 sec setTimeout(updateLiveData(), 1000); } } });