d4dilip/Index.html

## asyncLib.js
// simulation library

function asyncLib() {
    return {

        CallfnSyncLib: CallfnSyncLib
    }

    function CallfnSyncLib(params) {
        return new Promise(function(resolve, reject) {
            fnSyncLib(params, resolve, reject);
        });
    }
}

## Index.html
<!DOCTYPE html>
<html>
<!-- fallback for browsers which do not support promise -->
<script src="es6-promise.min.js"></script>
<script src="syncLib.js"></script>
<script src="asyncLib.js"></script>
<script>


function onSuccess(response)
{
    document.getElementById("divresponse").innerHTML = response;
}
function onError(error)
{
     document.getElementById("divresponse").innerHTML = error.message;
}
function demoCallPromiseFn(params){
    document.getElementById("divresponse").innerHTML = "computing....";
    var objsyncLib=asyncLib();
    objsyncLib.CallfnSyncLib(params).then(onSuccess, onError);

}
</script>

<body onload="javascript:demoCallPromiseFn(null);">
    <div id="divresponse">
    </div>
</body>

</html>

## syncLib.js
// simulation library

function fnSyncLib(params, onSuccess, onError) {

    function fnTry(fn) {
        try {
            return fn();
        } catch (ex) {

            console.log(ex.message + "\r\n\r\n" + ex.stack);
            fnOnError(ex);
        }
    }

    function fnOnError(error) {
        console.log("fnSyncLib error: " + error.message);
        onError(error);
    }

    function fnSimulateRemoteCall() {

        var startdate = new Date().getTime();
        //hang on for a while
        sleepFor(5000);

        var endDate = new Date().getTime();
        console.log(startdate);
        console.log(endDate);
        var response = "It took me 5 seconds";
        onSuccess(response);
    }
    function sleepFor(sleepDuration) {
        var now = new Date().getTime();
        while (new Date().getTime() < now + sleepDuration) { /* do nothing */ }
    }

    // initialize function here
    fnTry(fnSimulateRemoteCall);

}
	// simulation library

	function asyncLib() {
	return {

	CallfnSyncLib: CallfnSyncLib
	}

	function CallfnSyncLib(params) {
	return new Promise(function(resolve, reject) {
	fnSyncLib(params, resolve, reject);
	});
	}
	}
	<!DOCTYPE html>
	<html>
	<!-- fallback for browsers which do not support promise -->
	<script src="es6-promise.min.js"></script>
	<script src="syncLib.js"></script>
	<script src="asyncLib.js"></script>
	<script>


	function onSuccess(response)
	{
	document.getElementById("divresponse").innerHTML = response;
	}
	function onError(error)
	{
	document.getElementById("divresponse").innerHTML = error.message;
	}
	function demoCallPromiseFn(params){
	document.getElementById("divresponse").innerHTML = "computing....";
	var objsyncLib=asyncLib();
	objsyncLib.CallfnSyncLib(params).then(onSuccess, onError);

	}
	</script>

	<body onload="javascript:demoCallPromiseFn(null);">
	<div id="divresponse">
	</div>
	</body>

	</html>
	// simulation library

	function fnSyncLib(params, onSuccess, onError) {

	function fnTry(fn) {
	try {
	return fn();
	} catch (ex) {

	console.log(ex.message + "\r\n\r\n" + ex.stack);
	fnOnError(ex);
	}
	}

	function fnOnError(error) {
	console.log("fnSyncLib error: " + error.message);
	onError(error);
	}

	function fnSimulateRemoteCall() {

	var startdate = new Date().getTime();
	//hang on for a while
	sleepFor(5000);

	var endDate = new Date().getTime();
	console.log(startdate);
	console.log(endDate);
	var response = "It took me 5 seconds";
	onSuccess(response);
	}
	function sleepFor(sleepDuration) {
	var now = new Date().getTime();
	while (new Date().getTime() < now + sleepDuration) { /* do nothing */ }
	}

	// initialize function here
	fnTry(fnSimulateRemoteCall);

	}