Uploading my homework

index.js

@@ -13,11 +13,15 @@ var numArray = [0,1,10,100,1000];
 /* myEach */
 
 //
-// myEach(numArray, function print(element, index, arr) {
-//   console.log('inside myEach', element, index, arr);
-// });
+// function myEach(arr, callback) {
+//   for(i = 0; i < arr.length; i++ ){
+//   	callback(arr[i]);
+//   }
+// }
 
+// function print(item){ console.log(item)};
 
+// myEach(numArray, print);
 
 
 /* myMap */

myEach.js

@@ -3,7 +3,9 @@
 function myEach(arr, callback) {
 
 //  CODE INSIDE HERE   //
-
+  for(i = 0; i < arr.length; i++ ){
+  	callback(arr[i], i, arr);
+  }
 }
 
 /*

myEvery.js

@@ -0,0 +1,10 @@
+function myEvery(arr, callback) {
+
+//  CODE INSIDE HERE   //
+	for(i = 0; i < arr.length; i++ ){
+		if(!callback(arr[i],i,arr)){
+			return false;
+		}
+	}
+	return true;
+}

myFilter.js

@@ -0,0 +1,12 @@
+function myFilter(arr, callback) {
+
+//  CODE INSIDE HERE   //
+	var newArray = [];
+	for(i = 0; i < arr.length; i++ ){
+		if(callback(arr[i])){
+			newArray.push(arr[i]);
+		}
+	}
+
+	return newArray;
+}

myMap.js

@@ -3,7 +3,11 @@
 function myMap(arr, callback) {
 
 //  CODE INSIDE HERE   //
-
+	var newArray = [];
+	for(i = 0; i < arr.length; i++){
+		newArray.push(callback(arr[i], i, arr));
+	}
+	return newArray;
 }
 
 /*

myReduce.js

@@ -1,10 +1,22 @@
 // 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) {
+function myReduce(arr, callback, initialValue) {
 
 //  CODE INSIDE HERE   //
-
+	var result;
+	if(!initialValue){
+		result = arr[0];
+	}
+	else{
+		result = initialValue; 
+	}
+
+	for(i = 1 - (initialValue ? 1: 0) ; i < arr.length ; i++){
+		result = callback(result, arr[i], i, arr);
+	}
+
+	return result;
 }
 
 /*

mySome.js

@@ -0,0 +1,11 @@
+function mySome(arr, callback) {
+
+//  CODE INSIDE HERE   //
+	for(i = 0; i < arr.length; i++ ){
+		if(callback(arr[i],i,arr)){
+			return true;
+		}
+	}
+
+	return false;
+}