<html><head><title>AjaxTest</title>
<script type="text/javascript">
var xmlHttp;function createXMLHttpRequest()
{
if(window.ActiveXObject) { xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
} else if(window.XMLHttpRequest) { xmlHttp = new XMLHttpRequest(); }}function startRequest(){ createXMLHttpRequest(); try { xmlHttp.onreadystatechange = handleStateChange; xmlHttp.open("GET", "Json.txt", true); xmlHttp.send(null); } catch(exception) { alert("xmlHttp Fail"); }}function handleStateChange(){ if(xmlHttp.readyState == 4) { if (xmlHttp.status == 200 || xmlHttp.status == 0) { var result = xmlHttp.responseText; var json = eval("(" + result + ")"); alert(json.user); alert(json.sex); } }
}</script></head><body> <div> <input type="button" value="AjaxTest" onclick="startRequest();" /> </div></body></html>Json.txt
{
"user":"cck",
"sex":"name"
}
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