carl-parrish · December 25, 2017 16:14 · Dec 25, 2017 · Dec 25, 2017 · Dec 25, 2017 · Feb 17, 2017
diff --git a/workingFlatten.md → flattenMap.md b/workingFlatten.md → flattenMap.md
diff --git a/js → workingFlatten.md b/js → workingFlatten.md
diff --git a/js b/js
@@ -1,3 +1,4 @@
+```js
 /********************
 ** Write some code, that will flatten an array 
 ** of arbitrarily nested arrays of integers 
@@ -12,4 +13,5 @@ function flatten(source){
      return answer;
 }
 const myArray = [[1,2,[3]],4]; 
-console.log(flatten(myArray)); // [1,2,3,4]
+console.log(flatten(myArray)); // [1,2,3,4]
+```
diff --git a/js b/js
@@ -8,7 +8,7 @@
 var answer = [];
 
 function flatten(source){
-     source.forEach(val => Array.isArray(val)? flatten(val) : answer.push(val));
+     source.map(val => Array.isArray(val)? flatten(val) : answer.push(val));
      return answer;
 }
 const myArray = [[1,2,[3]],4]; 

diff --git a/js b/js
@@ -11,5 +11,5 @@ function flatten(source){
      source.forEach(val => Array.isArray(val)? flatten(val) : answer.push(val));
      return answer;
 }
-
-console.log(flatten(myArray));
+const myArray = [[1,2,[3]],4]; 
+console.log(flatten(myArray)); // [1,2,3,4]
diff --git a/js b/js
@@ -1,3 +1,10 @@
+/********************
+** Write some code, that will flatten an array 
+** of arbitrarily nested arrays of integers 
+** into a flat array of integers. 
+** e.g. [[1,2,[3]],4] -> [1,2,3,4]
+************************/
+
 var answer = [];
 
 function flatten(source){

diff --git a/js b/js
@@ -0,0 +1,8 @@
+var answer = [];
+
+function flatten(source){
+     source.forEach(val => Array.isArray(val)? flatten(val) : answer.push(val));
+     return answer;
+}
+
+console.log(flatten(myArray));