Merge cb69a14828 into 5f220217d3

2-js-basics/1-data-types/README.md

@@ -188,10 +188,10 @@ Constants have two main rules:
 
    **Simple value** - The following is NOT allowed:
    
-      ```javascript
-      const PI = 3;
-      PI = 4; // not allowed
-      ```
+    ```javascript
+    const PI = 3;
+    PI = 4; // not allowed
+    ```
 
    **What you need to remember:**
    - **Attempts** to reassign a constant will cause an error
@@ -199,11 +199,11 @@ Constants have two main rules:
    - **Ensures** the value remains consistent throughout your program
  
    **Object reference is protected** - The following is NOT allowed:
-   
-      ```javascript
-      const obj = { a: 3 };
-      obj = { b: 5 } // not allowed
-      ```
+
+    ```javascript
+    const obj = { a: 3 };
+    obj = { b: 5 } // not allowed
+    ```
 
    **Understanding these concepts:**
    - **Prevents** replacing the entire object with a new one
@@ -212,15 +212,15 @@ Constants have two main rules:
 
     **Object value is not protected** - The following IS allowed:
     
-      ```javascript
-      const obj = { a: 3 };
-      obj.a = 5;  // allowed
-      ```
-
-      **Breaking down what happens here:**
-      - **Modifies** the property value inside the object
-      - **Keeps** the same object reference
-      - **Demonstrates** that object contents can change while the reference stays constant
+    ```javascript
+    const obj = { a: 3 };
+    obj.a = 5;  // allowed
+    ```
+
+  **Breaking down what happens here:**
+  - **Modifies** the property value inside the object
+  - **Keeps** the same object reference
+  - **Demonstrates** that object contents can change while the reference stays constant
 
    > Note, a `const` means the reference is protected from reassignment. The value is not _immutable_ though and can change, especially if it's a complex construct like an object.