[css-scroll-snap-2] harmonize JavaScript spelling (#7391)

Author: Schweinepriester

css-scroll-snap-2/Overview.bs

@@ -27,7 +27,7 @@ Introduction {#intro}
 
 	Scroll experiences don't always start at the beginning. Interactions with
 	carousels, swipe controls, and listviews often start somewhere in the middle,
-	and each require Javascript to set this position on page load.
+	and each require JavaScript to set this position on page load.
 	By enabling CSS to specify this scroll start position,
 	both users, page authors and browsers benefit.
 
@@ -267,7 +267,7 @@ Snap Events {#snap-events}
 
 	CSS scroll snap points are often used as a mechanism to
 	create scroll interactive "selection" components,
-	where selection is determined with javascript intersection observers
+	where selection is determined with JavaScript intersection observers
 	and a scroll end guestimate. By creating a built-in event,
 	the invisible state will become actionable,
 	at the right time, and always correct.
@@ -332,4 +332,4 @@ Flow-relative Longhands for 'scroll-start'  {#scroll-start-longhands-logical}
 	Animation type: by computed value type
 	</pre>
 
-	...
+	...