Source code for above fetch:-

	var app = new QkApp($, {

	    apiConfig: {
			/**
				This is the base URL for this API gateway.
			*/
	        'sUrlBase': 'https://api.icndb.com/',

			/**
				This is the callback for request params used for ALL the requests to this API gatewat.
				API keys, for instance, go here.
			*/
	        'cbDecorateRequestData': function (objRequestData) { // DecorateRequestData callback

				//This is the object with properties assigned to
				//ALL the request objects that are sent through this gateway.

				objDefault = {
					'limitTo': ['nerdy'] //So that it's Safe For Work :p
				};

				//Assigne above common prop(s) to the request param object
	            var decorateRequestData = $.extend({ }, objDefault, objRequestData);

	            return decorateRequestData;
	        },

			/**
				This is the callback to test whether the response received through
				this gateway is actually a "Success" response, according to the server semaphore.
			*/
	        'cbResponseSuccessTest': function (rsp) { //Repsponse success test callback
				//In this case, this is defined by the International Chuck Norris DataBase https://icndb.com/
	            return rsp.type==='success';
	        }
	    }
	});
	$(function () {
		$('#btnRandomJoke').click(function(e){
			app.api_get(
				'jokes/random',
				{
					'firstName': 'Thalaiva',
					'lastName': 'Rajinikanth',
				},
				'value'
			)
			.done(function(value){
				$('#divJokeText').html(value.joke);
			})
			.fail(alert);

			e.preventDefault();
		})
	});