Done.

index.js

@@ -1,3 +1,30 @@
-var kittens = [] //define your array here
+var kittens = ["Milo", "Otis", "Garfield"]
 
-// Add your functions and code here
+function destructivelyAppendKitten(name) {
+  kittens.push(name)
+  return kittens
+}
+function destructivelyPrependKitten(name) {
+  kittens.unshift(name)
+  return kittens
+}
+function destructivelyRemoveLastKitten(name) {
+  kittens.pop(name)
+  return kittens
+}
+function destructivelyRemoveFirstKitten(name) {
+  kittens.shift(name)
+  return kittens
+}
+function appendKitten(name) {
+return [...kittens, name]
+}
+function prependKitten(name) {
+  return [name, ...kittens]
+}
+function removeLastKitten(name) {
+  return kittens.slice(0, kittens.length - 1)
+}
+function removeFirstKitten(name) {
+  return kittens.slice(1)
+}