@@ -8,14 +8,27 @@
 
   <script>
     // start with strings, numbers and booleans
+    let age = 100;
+    let age2 = age;
+    console.log(age, age2); //100, 100
+    age = 200;
+    console.log(age, age2); //200, 100
 
     // Let's say we have an array
     const players = ['Wes', 'Sarah', 'Ryan', 'Poppy'];
 
     // and we want to make a copy of it.
-
+    const playersCopy1 = [...players];
+    const playersCopy2 = ([]).concat(players);
+    const playersCopy3 = players.slice();
+    const playersCopy4 = Array.from(players);
+    console.log(players);
+    console.log(playersCopy1);
+    console.log(playersCopy2);
+    console.log(playersCopy3);
+    console.log(playersCopy4);
     // You might think we can just do something like this:
-
+    
     // however what happens when we update that array?
 
     // now here is the problem!
@@ -43,7 +56,11 @@
     };
 
     // and think we make a copy:
-
+    const personCopy1 = {...person}
+    const personCopy2 = Object.assign({}, person)
+    console.log(person);
+    console.log(personCopy1)
+    console.log(personCopy2)
     // how do we take a copy instead?
 
     // We will hopefully soon see the object ...spread