code-differently · TajanaeB · Nov 30, 2020
diff --git 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
+            }
+        }
+    }
 
-}
+
+
+    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];
diff --git a/index.html b/index.html
@@ -0,0 +1,11 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Document</title>
+</head>
+<body>
+    <script src = ArrayUtils.js></script> 
+</body>
+</html>