HTML-Teil
<script type="text/javascript">
// <![CDATA[
"use strict";
var xmlhttp = new XMLHttpRequest();
// verbinde XMLHttpRequest mit der "Event-Methode"
xmlhttp.onreadystatechange = readajax;
function testajax( form ) {
"use strict";
// Aufruf
xmlhttp.open("GET", "TestAjax01.php?parameter=wert");
xmlhttp.send(null);
}
function readajax() {
"use strict";
var elementajax = document.getElementById("ajax");
if (xmlhttp.readyState == 4) {
elementajax.innerHTML = xmlhttp.responseText;
}
else {
alert(xmlhttp.readyState);
}
}
// ]]>
</script>
</head>
<body>
<form>
<input type="button" value="Send" onclick="testajax(this.form)"/>
</form>
<div id="ajax"> </div>
</body>
</html>
</div>
JSP-Teil
<%@
page import = "java.util.* "
%>
<%@
page import = "java.text.* "
%>
<%
SimpleDateFormat date=new SimpleDateFormat("HH:mm:ss");
String time=date.format(new Date());
out.println(time);
%>
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