docs for angular.extend

src/Angular.js

@@ -611,6 +611,19 @@ function formatError(arg) {
 }
 
 
+/**
+ * @workInProgress
+ * @ngdoc function
+ * @name angular.extend
+ * @function
+ *
+ * @description
+ * Extends the destination object `dst` by copying all of the properties from the `src` objects to
+ * `dst`. You can specify multiple `src` objects.
+ *
+ * @param {Object} dst The destination object.
+ * @param {...Object} src The source object(s).
+ */
 function extend(dst) {
   foreach(arguments, function(obj){
     if (obj !== dst) {
@@ -622,6 +635,7 @@ function extend(dst) {
   return dst;
 }
 
+
 function inherit(parent, extra) {
   return extend(new (extend(function(){}, {prototype:parent}))(), extra);
 }