Asynchronous JavaScript Requests Ajax with XHRIn this lesson, you'll learn why you should use asynchronous data requests. Use the `XHR` object to send and receive data asynchronously.Ajax with jQueryIn this lesson, you'll compare using `XHR` with using jQuery's Ajax method. You'll send and receive data using jQuery's Ajax methods and learn how jQuery's Ajax works under the hood.Ajax with FetchIn this lesson, you'll use JavaScript Promises to create a fetch request and handle the returned data asynchronously. You'll also learn how to handle errors for failed requests.CompanyAbout UsWhy Udacity?BlogIn the NewsJobs at UdacityBecome a MentorPartner with UdacityResourcesCatalogCareer OutcomesHelp and FAQScholarshipsResource CenterFeatured ProgramsBusiness AnalyticsSQLAWS Cloud ArchitectData AnalystIntro to ProgrammingDigital MarketingSelf Driving Car EngineerOnly at UdacityArtificial IntelligenceDeep LearningDigital MarketingFlying Car and Autonomous Flight EngineerIntro to Self-Driving CarsMachine Learning EngineerRobotics Software EngineerAI Master’sMaster of Business AdministrationMaster of Science in AIUdacity SchoolsSchool of Animation and Game DevelopmentSchool of Artificial IntelligenceSchool of Autonomous SystemsSchool of BusinessCareer ResourcesSchool of Cloud ComputingSchool of CybersecuritySchool of Data ScienceSchool of DevOpsSchool of Executive LeadershipSchool of Product ManagementSchool of Programming and Development