Fix visibility issue with onScreen calculations for long elements

RELEASE-NOTES.md

@@ -5,6 +5,7 @@
 **Bugs**
 - **Icons** - Fixes some icons that were incorrectly named. **Thanks hammy2899** [#6181](https://github.com/Semantic-Org/Semantic-UI/pull/6181) [#6180](https://github.com/Semantic-Org/Semantic-UI/pull/6180) [#6176](https://github.com/Semantic-Org/Semantic-UI/pull/6176) [#6175](https://github.com/Semantic-Org/Semantic-UI/pull/6175)
 - **Icons** - Increased specifity on `fitted icon` to fix compatibility with other components [#6125](https://github.com/Semantic-Org/Semantic-UI/issues/6125)
+- **Visibility** - Fixed bug that could cause `onScreen` to not work properly for elements that are longer than screen.
 
 **Docs**
 - Fixes CDN links in docs **Thanks @KSH-code**

src/definitions/behaviors/visibility.js

@@ -933,7 +933,7 @@ $.fn.visibility = function(parameters) {
             element.percentagePassed = 0;
 
             // meta calculations
-            element.onScreen  = (element.topVisible && !element.bottomPassed);
+            element.onScreen  = ((element.topVisible || element.passing) && !element.bottomPassed);
             element.passing   = (element.topPassed && !element.bottomPassed);
             element.offScreen = (!element.onScreen);