From 8eaf65566b616de7b69da0ebc0902246468f1c4f Mon Sep 17 00:00:00 2001
From: lordshadowist <shadowist@live.com>
Date: Mon, 12 Sep 2016 16:46:09 -0700
Subject: [PATCH] Bill Cheng Finish eachmapreduce

---
 myEach.js   |  5 ++++-
 myFilter.js |  0
 myMap.js    |  9 ++++++---
 myReduce.js | 24 +++++++++++++++++++++---
 4 files changed, 31 insertions(+), 7 deletions(-)
 create mode 100644 myFilter.js

diff --git a/myEach.js b/myEach.js
index e95bc02..e10c597 100644
--- a/myEach.js
+++ b/myEach.js
@@ -2,7 +2,10 @@
 
 function myEach(arr, callback) {
 
-//  CODE INSIDE HERE   //
+	for(var i = 0; i < arr.length; i++)
+	{
+		callback(arr[i], i, arr);
+	}
 
 }
 
diff --git a/myFilter.js b/myFilter.js
new file mode 100644
index 0000000..e69de29
diff --git a/myMap.js b/myMap.js
index ccb09c3..3422439 100644
--- a/myMap.js
+++ b/myMap.js
@@ -1,9 +1,12 @@
 // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Map
 
 function myMap(arr, callback) {
-
-//  CODE INSIDE HERE   //
-
+	var result = [];
+	for(var i = 0; i < arr.length; i++)
+	{
+		result.push(callback(arr[i], i, arr));
+	}
+	return result;
 }
 
 /*
diff --git a/myReduce.js b/myReduce.js
index 174fbe3..e5db39b 100644
--- a/myReduce.js
+++ b/myReduce.js
@@ -1,9 +1,27 @@
 // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/Reduce for more details
 // Don't worry about initialValue at first. You can always add it in later.
 
-function myReduce(arr, callback) {
-
-//  CODE INSIDE HERE   //
+function myReduce(arr, callback, init) 
+{
+
+	if(!init)
+	{
+		var result = arr[0];
+		for(var i = 1; i < arr.length; i++)
+		{	
+			result = callback(result, arr[i], i, arr);
+		}
+		return result;
+	}
+	else // if init
+	{
+		var result = init;
+		for(var i = 0; i < arr.length; i++)
+		{
+			result = callback(result, arr[i], i, arr);
+		}
+		return result;
+	}
 
 }