I want to know how to develop the data loader like sololearn and many other apps.

Question

For example when we click first time on Feed, code, and discuss it takes some time to load data and it shiw some animation.

Answer 1

Ayush I want to do this in web application.

Answer 2

You can use Ajax. Ajax state == 3

Answer 3

If ( Ajax.state ==3){ //your loader function}