edited function patterns

chuanxshi · chuanxshi · commit a2b670596bd4 · 2012-01-12T07:37:44.000+08:00
diff --git a/function-patterns/callback.html b/function-patterns/callback.html
@@ -38,6 +38,8 @@
 
 // find the nodes and hide them as you go
 findNodes(hide);
+
+
 </script>
 </body>
 </html>
diff --git a/function-patterns/configuration-objects.html b/function-patterns/configuration-objects.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<html lang="en">
+<head>
+<title>JavaScript Patterns</title>
+<meta charset="utf-8">
+</head>
+<body>
+<script>
+var conf = {
+  username: "shichuan",
+  first: "Chuan",
+  last: "Shi"
+};
+addPerson(conf);
+</script>
+</body>
+</html>
diff --git a/function-patterns/currying.html b/function-patterns/currying.html
@@ -6,6 +6,63 @@
 </head>
 <body>
 <script>
+/***
+ function application
+ ***/
+// define a function
+var sayHi = function (who) {
+  return "Hello" + (who ? ", " + who : "") + "!";
+};
+
+// invoke a function 
+sayHi(); // "Hello"
+sayHi('world'); // "Hello, world!"
+
+// apply a function 
+sayHi.apply(null, ["hello"]); // "Hello, hello!"
+
+var alien = {
+  sayHi: function (who) {
+    return "Hello" + (who ? ", " + who : "") + "!";
+  }
+};
+
+alien.sayHi('world'); // "Hello, world!"
+sayHi.apply(alien, ["humans"]); // "Hello, humans!"
+
+// the second is more efficient, saves an array
+sayHi.apply(alien, ["humans"]); // "Hello, humans!"
+sayHi.call(alien, "humans"); // "Hello, humans!"
+
+/***
+ partial application
+ ***/
+
+// for illustration purposes
+// not valid JavaScript
+
+// we have this function
+function add(x, y) {
+  return x + y;
+}
+
+// and we know the arguments
+add(5, 4);
+
+// step 1 -- substitute one argument
+function add(5, y) {
+  return 5 + y;
+}
+
+// step 2 -- substitute the other argument
+function add(5, 4) {
+  return 5 + 4;
+}
+
+/***
+ currying
+ ***/
+
 // a curried add()
 // accepts partial list of arguments
 function add(x, y) {
