a sample ajax chunk request using deferreds

dfdexample.js

var getAllObjects = function () {
	var start = 0,
	chunkSize = 2000,
	dfd = $.Deferred(),
	getChunk = function (start, chunkSize) {
	return $.ajax({
		url: '<requesturi>',
		type: 'POST',
		dataType: 'json',
		data: JSON.stringify({ start: start, length: chunkSize }),
		contentType: 'application/json; charset=utf-8'
	});
	},
	recursiveGet = function () {
		getChunk(start, chunkSize).success(function (retVal) {
			if (checkRetCode(retVal.retCode)) {
				if (start === 0) {
					handleFirst(retVal.data);
				}
				else {
					handleChunk(retVal.data);
				}
				if (retVal.objectCount < chunkSize) {
					dfd.resolve();
				}
				else {
					start += chunkSize + 1;
					recursiveGet();
				}
			}
			else {
				dfd.resolve();
			}
		});
	};
	recursiveGet();
	return dfd;
};

getAllObjects().then(function () { window.alert("success"); });