Delete file 01_everything.js and split out into new files

This commit deletes the file 01_everything.js which demonstrated various types of functions in JavaScript and adds various newer files for different types of functions in js.

Author: infinotiver

Tutorials/Basic/functions/01B_functionExpression.js

@@ -0,0 +1,4 @@
+// Function Expression
+const functionExpression = function () {
+    console.log("Function Expression");
+};

Tutorials/Basic/functions/01C_arrowFunction.js

@@ -0,0 +1,4 @@
+// Arrow Function
+const arrowFunction = () => {
+    console.log("Arrow Function");
+};

Tutorials/Basic/functions/01D_namedFunctionExpression.js

@@ -0,0 +1,4 @@
+// Named Function Expression
+const namedFunctionExpression = function namedFunc() {
+    console.log("Named Function Expression Type");
+};

Tutorials/Basic/functions/01E_generatorFunction.js

@@ -0,0 +1,6 @@
+// Generator Function
+function* generatorFunctionType() {
+    yield 1;
+    yield 2;
+    yield 3;
+}

Tutorials/Basic/functions/01F_IIFE.js

@@ -0,0 +1,4 @@
+// Immediately Invoked Function Expression (IIFE)
+(function () {
+    console.log("IIFE Function Type");
+})();

Tutorials/Basic/functions/01G_recursive_func.js

@@ -0,0 +1,7 @@
+// Recursive Function
+function countdown(num) {
+    if (num > 0) {
+        console.log(num);
+        countdown(num - 1);
+    }
+}

Tutorials/Basic/functions/01_everything.js renamed to Tutorials/Basic/functions/01_functions.js

@@ -1,5 +1,4 @@
-// 00_everything.js
-
+// 01_functions.js
 /*
 This JavaScript file demonstrates various types of functions in JavaScript, including regular, function expression, arrow function, and named function expressions.
 
@@ -22,61 +21,4 @@ function regularFunction() {
     console.log("Regular Function");
 }
 
-// Function Expression
-const functionExpression = function() {
-    console.log("Function Expression");
-};
-
-// Arrow Function
-const arrowFunction = () => {
-    console.log("Arrow Function");
-};
-
-// Regular Function Type
-function regularFunctionType() {
-    console.log("Regular Function Type");
-}
-
-// Function Expression Type
-const functionExpressionType = function() {
-    console.log("Function Expression Type");
-};
-
-// Arrow Function Type
-const arrowFunctionType = () => {
-    console.log("Arrow Function Type");
-};
-
-// Immediately Invoked Function Expression (IIFE)
-(function() {
-    console.log("IIFE Function Type");
-})();
-
-// Generator Function
-function* generatorFunctionType() {
-    yield 1;
-    yield 2;
-    yield 3;
-}
-
-// Named Function Expression
-const namedFunctionExpression = function namedFunc() {
-    console.log("Named Function Expression Type");
-};
-
-// Recursive Function
-function countdown(num) {
-    if (num > 0) {
-        console.log(num);
-        countdown(num - 1);
-    }
-}
-
-regularFunction();
-functionExpression();
-arrowFunction();
-regularFunctionType();
-functionExpressionType();
-arrowFunctionType();
-countdown(5);
-
+regularFunction()

Tutorials/Basic/functions/04_functions.js

@@ -0,0 +1,30 @@
+// freezing_objects.js
+
+// "use strict"; directive is necessary to use Object.freeze()
+"use strict";
+
+// Let's create a simple object
+const myObject = { 
+    dob: 1990 // My D.O.B 
+}
+
+// But we can change it
+myObject.dob = 2000 // Changed my D.O.B
+
+// Object.freeze(obj) makes the object and its properties 
+// read-only. It cannot be changed, added, or deleted.
+// Any attempt to do so will result in an error.
+
+// However, Object.freeze() only works in "use strict"; mode.
+// Without it, the code will execute without any errors
+
+// Let's try to change the object and see what happens
+Object.freeze(myObject) // Object cannot be extended
+
+try {
+    myObject.dob = 2200 // Error: Cannot assign to read-only property 'dob' 
+} catch (error) {
+    console.log(error) // TypeError: Cannot assign to read-only property 'dob' 
+    // Note: This error will not be caught in non-strict mode
+}
+