Caching in on HTML5 Local Storage: Listing 1.

clear and removeItem functionality on LocalStorage.

test("Clearing all data from the websites related window.localStorage", 
  function () {
  var dateTimeStamp = new Date().toString();
  window.localStorage.dateTimeStamp = dateTimeStamp;
  window.localStorage.clear();
  var actual = window.localStorage.dateTimeStamp;
  equal(actual, null, "The values were unexpectedly different");
});
 
test("Removing a particular item from window.localStorage", function () {
  var dateTimeStamp = new Date().toString();
  window.localStorage.dateTimeStamp = dateTimeStamp;
  window.localStorage.removeItem("dateTimeStamp");
  var actual = window.localStorage.dateTimeStamp;
  equal(actual, null, "The values were unexpectedly different");
});

About the Author

Mark Michaelis (http://IntelliTect.com/Mark) is the founder of IntelliTect and serves as the Chief Technical Architect and Trainer. Since 1996, he has been a Microsoft MVP for C#, Visual Studio Team System, and the Windows SDK and in 2007 he was recognized as a Microsoft Regional Director. He also serves on several Microsoft software design review teams, including C#, the Connected Systems Division, and VSTS. Mark speaks at developer conferences and has written numerous articles and books - Essential C# 5.0 is his most recent. Mark holds a Bachelor of Arts in Philosophy from the University of Illinois and a Masters in Computer Science from the Illinois Institute of Technology. When not bonding with his computer, Mark is busy with his family or training for another triathlon (having completed the Ironman in 2008). Mark lives in Spokane, Washington, with his wife Elisabeth and three children, Benjamin, Hanna and Abigail.

comments powered by Disqus

Featured

  • Full Stack Hands-On Development with .NET

    In the fast-paced realm of modern software development, proficiency across a full stack of technologies is not just beneficial, it's essential. Microsoft has an entire stack of open source development components in its .NET platform (formerly known as .NET Core) that can be used to build an end-to-end set of applications.

  • .NET-Centric Uno Platform Debuts 'Single Project' for 9 Targets

    "We've reduced the complexity of project files and eliminated the need for explicit NuGet package references, separate project libraries, or 'shared' projects."

  • Creating Reactive Applications in .NET

    In modern applications, data is being retrieved in asynchronous, real-time streams, as traditional pull requests where the clients asks for data from the server are becoming a thing of the past.

  • AI for GitHub Collaboration? Maybe Not So Much

    No doubt GitHub Copilot has been a boon for developers, but AI might not be the best tool for collaboration, according to developers weighing in on a recent social media post from the GitHub team.

  • Visual Studio 2022 Getting VS Code 'Command Palette' Equivalent

    As any Visual Studio Code user knows, the editor's command palette is a powerful tool for getting things done quickly, without having to navigate through menus and dialogs. Now, we learn how an equivalent is coming for Microsoft's flagship Visual Studio IDE, invoked by the same familiar Ctrl+Shift+P keyboard shortcut.

Subscribe on YouTube