xfq
diff --git a/‎14_event.txt‎
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@@ -712,6 +712,11 @@ if (Math.random() < .5) { // 50% chance
 }
 ----
 
+The `clearAnimationFrame` work in the same way as
+`clearTimeout`—calling it on a value returned by
+`requestAnimationFrame` will cancel that frame (assuming it wasn't
+already called).
+
 A similar set of functions, `setInterval` and `clearInterval` are used
 to set timers that should repeat every X milliseconds.