TH-coder
diff --git a/‎3.1.1-函数式编程思想概述/3.1.1-函数式编程思想概述.pptx‎
-445 KB b/‎3.1.1-函数式编程思想概述/3.1.1-函数式编程思想概述.pptx‎
-445 KB
diff --git a/‎3.1.2-undersocre 整体结构 & 面向对象风格支持/myTest.js‎
Lines changed: 54 additions & 0 deletions b/‎3.1.2-undersocre 整体结构 & 面向对象风格支持/myTest.js‎
Lines changed: 54 additions & 0 deletions
@@ -0,0 +1,54 @@
+(function (root) {
+    var _ = function () {
+
+    }
+
+    var _ = function (obj) {
+        if (obj instanceof _) {
+            return obj;
+        }
+
+        if (!(this instanceof _)) {
+            return new _(obj)
+        }
+
+        this._wrapped = obj;
+    }
+
+    _.unique = function (arr, callback) {
+        var ret = [];
+        var target, i = 0;
+        for (; i < arr.length; i++) {
+            target = callbacks ? callbacks(arr[i]) : arr[i];
+            if (ret.indexOf(target) === -1) {
+                ret.push(target)
+            }
+        }
+    }
+
+    _.map = function () {
+
+    }
+
+    _.each = function (target, callback) {
+        var key, i = 0;
+        if (_.isArray(target)) {
+            var length = target.length
+            for (; i < length; i++) {
+                callback.call(target, target[i])
+            }
+        } else {
+            for (key in target) {
+                callback.call(target, key, target[key])
+            }
+        }
+    }
+
+    //给underscore原型上面扩展方法
+
+    _.mixin = function (obj) {
+        _.each(_.function)
+    }
+
+    root._ = _
+})(this)