都是簡(jiǎn)單的實(shí)例，所以直接發(fā)代碼
靜態(tài)頁(yè)面Ajax.html
代碼如下:
<html>
<head>
<title>Ajax</title>
<script type="text/javascript">
function loadXMLDoc() {
if (document.getElementById("account").value == "") {
document.getElementById("accDiv").innerHTML = "用戶名不能為空";
return;
}
var xmlHttp;
if(window.XMLHttpRequest) { // code for IE7+
xmlHttp = new XMLHttpRequest();
}
else { // code for IE5/IE6
xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
//document.getElementById("myDiv").innerHTML=xmlHttp.responseText;
if (xmlHttp.responseText == "true") {
document.getElementById("accDiv").innerHTML = "用戶名不可用";
}
else {
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