diff --git a/ArrayUtils.js b/ArrayUtils.js
index 2869d1e..a3dc6d9 100644
--- a/ArrayUtils.js
+++ b/ArrayUtils.js
@@ -1,21 +1,89 @@
-class ArrayUtils{
+class ArrayUtilities {
+ isEmpty(array){
+ return array.length == 0;
+ }
+
+
+ append(original, value){
+ original.push(value);
+ return original;
+ }
+
+
+ clone(original) {
+ let clone = original
+ return clone;
+ }
+
- isEmpty(array){return false;}
- append(original, value){return original;}
+ subArray(original, from, to) {
+ let thisArray = []
- clone(original){return original;}
+ for (let i = from; original[i] <= original[to]; i++){
+ thisArray[thisArray.length] = original[i]
+ }
+ return thisArray
+ }
+
+
+
+ equals(arr1, arr2) {
+ for (let i = 0; i < arr1.length; i++) {
+ if (arr1[i] !== arr2[i])
+ return false;
+ }
+ return true;
+ }
+
- subArray(original, from, to){return original;}
+ fill(original, value){
+ for( i = 0; i < original.length; i++) {
+ original[i] = value;
+ }
+ return original;
+ }
- equals(arr1, arr2){return false;}
- fill(original, value){}
+
+ indexOf(original, value) {
+ for (let i = 0; i < original.length; i++){
+ if(original[i] === value) {
+ return i
+ break
+ }
+ }
+ return -1;
+ }
- indexOf(original, value){return -1;}
- remove(original, value){return original;}
+
+ remove(original, value){
+ let newOrig = [...original]
- reverse(original){}
+ for (let i = 0; i < newOrig.length; i++) {
+ if (newOrig[i] === value) {
+ delete newOrig[i]
+ return newOrig
+ break
+ }
+ }
+ }
-}
\ No newline at end of file
+
+
+ reverse(original) {
+ original.reverse();
+ return original;
+ }
+
+}
+
+
+
+const arrayUtil = new ArrayUtilities();
+ const isEmpty = arrayUtil.isEmpty([]);
+ console.log({isEmpty});
+
+ let array = [8, 1, 9, 2, 7];
+ let array2 = [55, 33, 44, 22, 11];
\ No newline at end of file
diff --git a/index.html b/index.html
new file mode 100644
index 0000000..1aa77c2
--- /dev/null
+++ b/index.html
@@ -0,0 +1,11 @@
+
+
+
+
+
+ Document
+
+
+
+
+
\ No newline at end of file