<!DOCTYPE html>
<html><head lang="en"> <meta charset="UTF-8"> <title></title> <!--<script type="text/javascript">--> <!--<!–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","/ajax/demo_get.asp" + Math.random(),true);–>--> <!--<!–xmlhttp.send();–>--> <!--<!–}–>--> <!--<!–</script>–>--> <script type="text/javascript"> 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","/ajax/test1.txt",true); xmlhttp.send(); } </script> <script type="text/javascript"> function showHint(str) { var xmlhttp; if (str.length==0) { document.getElementById("txtHint").innerHTML=""; return; } 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("txtHint").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","/ajax/gethint.asp?q="+str,true); xmlhttp.send(); } function showCustomer(str) { var xmlhttp; if (str=="") { document.getElementById("txtHint").innerHTML=""; return; } 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("txtHint").innerHTML=xmlhttp.responseText; } } xmlhttp.open("GET","getcustomer.asp?q="+str,true); xmlhttp.send(); } </script></head><body><h2>AJAX</h2><button type="button" οnclick="loadXMLDoc()">请求数据</button><div id="myDiv"></div><div id="myDiv"><h2>Let AJAX change this text</h2></div><button type="button" οnclick="loadXMLDoc()">通过 AJAX 改变内容</button><h3>请在下面的输入框中键入字母（A - Z）：</h3><form action=""> 姓氏：<input type="text" id="txt1" οnkeyup="showHint(this.value)" /></form><p>建议：<span id="txtHint"></span></p></body></html>