How to save user login info in the webview?

[golumaths100 (Shivam Chouhan)]

@Save Login Details in Webviewer

in case your webpage uses JavaScript, you could create your own login screen in Kodular and inject username and password into that webpage… see an example here App Inventor Tutorials and Examples: Inject | Pura Vida Apps Taifun

I want to save user login details for Instagram, not for my own site. Example: When we login to Instagram in Chrome, it saves our info and then we don’t have to login again.