JavaScript - Tips 3 - Namespace and SharePoint Web and List

	'use strict';
	//Global Variable with namespaces
	var BasicJSOM = window.BasicJSOM || {};
	BasicJSOM.Samples = BasicJSOM.Samples || {};
	// This code runs when the DOM is ready
	//and creates a context object which is needed to use the SharePoint object model
	$(document).ready(function () {
	debugger;
	BasicJSOM.Samples.SimpleDemo = new BasicJSOM.Samples.WebAndListSamples();
	BasicJSOM.Samples.SimpleDemo.getUserName();
	BasicJSOM.Samples.SimpleDemo.getLists();
	});
	BasicJSOM.Samples.WebAndListSamples = function () {
	//private varables
	var context = SP.ClientContext.get_current();
	var user = context.get_web().get_currentUser();
	var lists = context.get_web().get_lists();
	//private functions
	function _getUserName() {
	$('#message').text('Web Absolute url : ' + _spPageContextInfo.webAbsoluteUrl);
	context.load(user);
	context.executeQueryAsync(onGetUserNameSuccess, onGetUserNameFail);
	}
	function onGetUserNameSuccess() {
	$('#message').append('<br/> User Title :' + user.get_title());
	}
	function onGetUserNameFail(sender, args) {
	alert('Failed to get user name. Error:' + args.get_message());
	}
	function _getLists() {
	context.load(lists);
	context.executeQueryAsync(onGetListSuccess, onGetListFail);
	}
	function onGetListSuccess() {
	$('#message').append('<br/> List Count ' + lists.get_count());
	}
	function onGetListFail(sender, args) {
	alert('Failed to get list names. Error:' + args.get_message());
	}
	//register public members
	var publicMembers = {
	getUserName: _getUserName,
	getLists: _getLists
	}
	return publicMembers;
	}

view raw SimpleJsomWebAndLit.js hosted with ❤ by GitHub

Now run the code in an app and the output is as shown below.