var xmlHttp = null; if (window.XMLHttpRequest) { // IE7, Mozilla, Safari, Opera, etc. xmlHttp = new XMLHttpRequest(); } else if (window.ActiveXObject) { try{ xmlHttp = new ActiveXObject("Microsoft.XMLHTTP"); //IE 5.x, 6 } catch(e) {} } function sendRequest(url) { if (xmlHttp) { xmlHttp.open("GET", url, true); // true = async xmlHttp.onreadystatechange = onCallback; xmlHttp.setRequestHeader('Content-type', 'application/x-www-form-urlencoded'); xmlHttp.send(null); } } function onCallback() { if (xmlHttp.readyState == 4) { if (xmlHttp.status == 200){ var r = document.getElementById('results'); r.innerHTML = xmlHttp.responseText; } else { alert('Error: ' + xmlHttp.status); } } }
Aug 27, 2007
AJAX basic
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