iterator lab solution

index.js

@@ -1,13 +1,13 @@
 var myEach = require('./myEach');
-var myMap = require('./myEach');
-var myReduce = require('./myEach');
+var myMap = require('./myMap');
+var myReduce = require('./myReduce');
 /* *********************************************************************
   You can edit this file
   It will make use of your code in myEach.js, myMap.js and myReduce.js
   To run it on the console do: `node index.js`
 ***********************************************************************/
 
-var numArray = [0,1,10,100,1000];
+//var numArray = [0,1,10,100,1000];
 
 
 /* myEach */
@@ -17,17 +17,37 @@ var numArray = [0,1,10,100,1000];
 //   console.log('inside myEach', element, index, arr);
 // });
 
+// function myEach(arr,callback){
+//   for(var i=0;i<arr.length;i++){
+//      callback(arr[i],i,arr);
+//    }
+// }
+//
+// myEach(numArray,function (value){
+//    console.log(value);
+// });
 
 
 
-/* myMap */
+////////////////////////////////////////////////////////////////////////////////////////////////////
+//arr.map(callback);
 
-// var input = ["a","b","c"];
-// var output = myMap(input, function capitalize(v){
-//     return v.toUpperCase();
-// });
-// console.log('Testing myMap')
+//
+// function myMap(arr,callback){
+//   var result=[];
+//   for(var i=0;i<arr.length;i++){
+//     result.push(callback(arr[i],i,arr));
+//   }
+//   return result;
+// }
+
+
+var input = ["a","b","c"];
+var output = myMap(input, function capitalize(v){
+    return v.toUpperCase();
+});
+console.log( output);
 // console.log(output === ["A", "B", "C"]) // assertion
 
 
-console.log("the end");
+//console.log("the end");

myEach.js

@@ -1,10 +1,12 @@
 // See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/ForEach
+function myEach(arr,callback){
+  for(var i=0;i<arr.length;i++){
+     callback(arr[i],i,arr);
+   }
+}
 
-function myEach(arr, callback) {
 
-//  CODE INSIDE HERE   //
 
-}
 
 /*
  Best if you don't code out here.

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   //
 
+function myMap(arr,callback){
+  var result=[];
+  for(var i=0;i<arr.length;i++){
+    result.push(callback(arr[i],i,arr));
+  }
+  return result;
 }
 
 /*

myReduce.js

@@ -1,10 +1,24 @@
 // 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,initialValue) {
+  var result;
+  var i=0;
+  if(initialValue != undefined){
+    result=initialValue;
+  }
+  else {
+    result=arr[0];
+    i++;
+  }
+ if(arr.length > 0) {
+
+
+for( ;i < arr.length ;i++){
+ result=  callback(result, arr[i],i,arr);
+}
+}
+return result;
 }
 
 /*