title: How to upload and GET the Items in the SharePoint Document Library from client side using REST API as a HOSTED APP?
body: <p>Help me with the detailed code, Because am new to this environment. My need is, I need to upload a image into a SharePoint Document library from the client side using REST API and also I want to retrieve the item which is there in the document Library and append it into a page. I trying this one as a SharePoint Hosted App.</p>
  
  <p>I'm Using SharePoint Online;</p>