Commit pirate JS files

js/Animation.js

@@ -0,0 +1,39 @@
+/*
+Copyright (c) 2023-forever Douglas Malnati. All rights reserved.
+
+See the /faq/tos page for details.
+    
+(If this generated header is stamped on a file which is a 3rd party file or under a different license or copyright, then ignore this copyright statement and use that file's terms.)
+*/
+
+
+
+
+export class Animation
+{
+    // assumes you're starting at 0 opacity, to get to 1
+    static FadeOpacityUp(dom)
+    {
+        if (dom)
+        {
+            let Step;
+            
+            Step = () => {
+                dom.style.opacity = parseFloat(dom.style.opacity) + 0.6;
+                
+                if (dom.style.opacity >= 1)
+                {
+                    dom.style.opacity = 1;
+                }
+                else
+                {
+                    window.requestAnimationFrame(() => { Step() });
+                }
+            };
+
+            window.requestAnimationFrame(() => { Step() });
+        }
+    }
+}
+
+