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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Strict//EN">
<html xmlns="http://schemas.microsoft.com/intellisense/html-401">
<head>
<title>Prime factors calculator using WebServices for JavaScript</title>
<script type="text/javascript" src="ajax.js"></script>
<script type="text/javascript" src="GetJavaScriptProxy.aspx?service=CalcService.asmx"></script>
</head>
<body>
<h1>Prime factors calculator using WebServices for JavaScript</h1>
<table>
<tbody>
<tr>
<th><label for="inputField">Please enter a number:</label></th>
<td>
<input id="inputField" onkeyup="StartCalcPrimeFactors()"></td>
<td style="padding-left: 12px">
<button onclick="proxies.EnableCache(proxies.CalcService.CalcPrimeFactors)">enable caching</button></td>
</tr>
<tr>
<th><label>The factors are:</label></th>
<td>
<input id="outputField" size="60" disabled="disabled"></td>
</tr>
</tbody>
</table>
<h3>Hint:</h3>
<p>try 12313123123123 or 12313123123123123123 for long running calculations ! </p>
<script defer="defer" type="text/javascript">
// to set up a debug output in an alert box use:
// proxies.CalcService.CalcPrimeFactors.corefunc = proxies.alertResult;
// to set up a debug output of the http response body in an alert box use:
// proxies.CalcService.CalcPrimeFactors.corefunc = proxies.alertResponseText;
// attach window.alert for displaying result to make the direct webservice call asynchronous
// proxies.CalcService.CalcPrimeFactors.func = window.alert;
// alert any exceptions...
// proxies.CalcService.CalcPrimeFactors.onException = proxies.alertException;
var _num = "";
var _timer = null;
function StartCalcPrimeFactors() {
var inputText = document.getElementById("inputField").value;
if (_num != inputText) {
if (_timer != null)
window.clearTimeout(_timer);
document.getElementById("outputField").value = "wait...";
_num = inputText;
// wait 300 msec. before continuing. This allows further typing...
_timer = window.setTimeout(CalcPrimeFactors, 300, "javascript");
} // if
}
// calc prime factors
function CalcPrimeFactors() {
var inputText = document.getElementById("inputField").value;
if ((inputText == null) || (inputText.length == 0) || (inputText == "0"))
return; // need no calculation
if (proxies.IsActive()) {
// try again later...
_timer = window.setTimeout(CalcPrimeFactors, 300, "javascript");
return;
} // if
proxies.CalcService.CalcPrimeFactors.func = displayFactors; // hook up a method that gets the response
proxies.CalcService.CalcPrimeFactors(inputText); // now call the server
} // CalcPrimeFactors
// The return value is passed to this function as a parameter
function displayFactors (retVal) {
document.getElementById("outputField").value = retVal;
} // displayFactors</pre>
</script>
<hr />
<p>This sample uses the WebServices for JavaScript on the client to call a WebService that calculates
the prime numbers of a given number.</p>
<p>This page is part of the <a href="http://ajaxaspects.blogspot.com/">http://ajaxaspects.blogspot.com/</a>
project.</p>
<hr />
</body>
</html>
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