I'm trying to replicate this AJAX article tutorial. https://premium.wpmudev.org/blog/load-posts-ajax/
The thing is under Creating an AJAX Call, I don't see the alert 0 message. When I check console, this error came up.
send @ jquery.js:4
ajax @ jquery.js:4
(anonymous) @ ajax-pagination.js:4
dispatch @ jquery.js:3
r.handle @ jquery.js:3
Do you guys have any idea why?