}
if(xmlhttp.readyState==4){
var msg = xmlhttp.responseText;
document.getElementById('divc').innerHTML = msg;
}
}
</script>
</head>
<body>
<a href="#" onClick="fun100('a')">a</a>
<div id="divc"></div>
-----------------------------------------------------
<?php
$id = $_GET['id'];
for($i=1;$i<3;$i++){
echo $id;
sleep(2);
}
?>
------解决方案--------------------
var xmlhttp;
function fun100(url) {
xmlhttp = new XMLHttpRequest();
xmlhttp.open('GET', '2.html', true);
document.getElementById('divc').innerHTML = "loading...";
xmlhttp.onreadystatechange = byphp;
xmlhttp.send(null);
}
function byphp() {
if (xmlhttp.readyState == 4) {
var msg = xmlhttp.responseText;
document.getElementById('divc').innerHTML = msg;
}
}