Ticket #4477: prototype-perf-patch-i3.diff

prototype.js

@@ -900 +900 @@
-
-Element.extend = function(element) {
-  if (!element) return;
+  if (_nativeExtensions) return element;
-
-  if (!element._extended && element.tagName && element != window) {
-    var methods = Element.Methods, cache = Element.extend.cache;
@@ -1113 +1114 @@
-
-Object.extend(Element, Element.Methods);
-
+var _nativeExtensions = false;
+
+if(!HTMLElement && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
+  var HTMLElement = {}
+  HTMLElement.prototype = document.createElement('div').__proto__;
+}
+
+if(typeof HTMLElement != 'undefined') {
+  var methods = Element.Methods, cache = Element.extend.cache;
+  for (property in methods) {
+    var value = methods[property];
+    if (typeof value == 'function')
+      HTMLElement.prototype[property] = cache.findOrStore(value);
+  }
+  _nativeExtensions = true;
+}
+
+Element.addMethods = function(methods) {
+  Object.extend(Element.Methods, methods);
+  
+  if(_nativeExtensions) {
+    var tmp = document.createElement('div');
+    var methods = Element.Methods, cache = Element.extend.cache;
+    for (property in methods) {
+      var value = methods[property];
+      if (typeof value == 'function')
+        HTMLElement.prototype[property] = cache.findOrStore(value);
+    }
+  }
+}
+
-var Toggle = new Object();
-Toggle.display = Element.toggle;
-