Trigger event when user scroll to specific element - with jQuery

Question

I have an h1 that is far down a page..

TRIGGER EVENT WHEN SCROLLED TO.

and I want to trigger an alert

Answer 1

Inview library triggered event and works well with jquery 1.8 and higher! https://github.com/protonet/jquery.inview

$('div').on('inview', function (event, visible) {
  if (visible == true) {
    // element is now visible in the viewport
  } else {
    // element has gone out of viewport
  }
});

Read this https://remysharp.com/2009/01/26/element-in-view-event-plugin