AJAX ?
?? ??? ???????.
<!DOCTYPE html>
<html>
<head>
<script>
function loadXMLDoc()
{
var xmlhttp;
if (window.XMLHttpRequest)
{// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp=new XMLHttpRequest();
}
else
{// code for IE6, IE5
xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange=function()
{
if (xmlhttp.readyState==4 && xmlhttp.status==200)
{
document.getElementById("myDiv").innerHTML=xmlhttp.responseText;
}
}
xmlhttp.open("GET","/try/ajax/ajax_info.txt",true);
xmlhttp.send();
}
</script>
</head>
<body>
<div id="myDiv"><h2>使用 AJAX 修改該文本內(nèi)容</h2></div>
<button type="button" onclick="loadXMLDoc()">修改內(nèi)容</button>
</body>
</html>?? ??
?? AJAX ???????? div? ??? ???? ????.
div ??? ??? ??? ???? ? ?????. ??? ???? loadXMLDoc()??? ??? ?????.
<!DOCTYPE html> <html> <body> <div id="myDiv"><h2>Let AJAX change this text</h2></div> <button type="button" onclick="loadXMLDoc()">Change Content</button> </body> </html>
???? ???? ?? ??? <script> ??? ?????. ? ???? loadXMLDoc() ??? ???? ????:
<head>
<script>
function loadXMLDoc()
{
.... AJAX script goes here ...
}
</script>
</head>??: ajax_info.txt ? HTML ??? ????? ??? ?? ??? ?? ??? ? ???? ????? ???.
