Redirect to an external website from SharePoint App

Introduction

I’m assigned to a project where I’m to develop SharePoint hosted app using JSOM.

Problem Background

There I wanted to redirect to external web page. Eg.http://google.com. I used 

• location.href='http://google.com'; 
• window.location.replace("http://google.com");
• document.location.href = url;

which we use normally to redirect to another website. But they didn’t work for me. This is because there was a post back on my page and I still want it.

Solution

I set a Timeout and it worked for me; use the below code to redirect.

   
  setTimeout(function () { document.location.href = url }, 20);

Conclusion

Hope this will help you. :)