diff --git a/bubble-sort/index.js b/bubble-sort/index.js
index 6d00634..a947070 100644
--- a/bubble-sort/index.js
+++ b/bubble-sort/index.js
@@ -98,7 +98,7 @@ function bubbleSort(arr) {
        * Our condition dictates that arr[i] must be greater than arr[i + 1] by employing the greater than operator.
        * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Comparison_Operators#Greater_than_operator
        *
-       * As a reminder, arr is our single parameter being passed to our bubbleSort function. arr must be an Array.
+       * As a reminder, arr is the single parameter of our bubbleSort function and arr must be an Array.
        * See https://github.com/floatsoft/javascript-references/blob/bubble-sort/index.js#L13-L19
        *
        * We can select elements from our array by referencing there index.
@@ -114,7 +114,7 @@ function bubbleSort(arr) {
          * For more information on variable declarations see
          * https://github.com/floatsoft/javascript-references/blob/hello-world/varDeclaration.js#L9-L15
          *
-         * We do this so that we do not loss the value of arr[i] during the swapping process.
+         * We do this so that we do not lose the value of arr[i] during the swapping process.
          * This is because we are doing our element swapping in-place.
          * See https://en.wikipedia.org/wiki/In-place_algorithm
          */
@@ -131,7 +131,7 @@ function bubbleSort(arr) {
         arr[i] = arr[i + 1];
 
         /**
-         * We can now complete our swap by assigning arr[i + 1] to the value of temp which is equal to the previous value of arr[i].
+         * We can now complete our swap by assigning arr[i + 1] to the value of tmp which is equal to the previous value of arr[i].
          */
         arr[i + 1] = tmp;
 
@@ -139,7 +139,7 @@ function bubbleSort(arr) {
          * Our variable named swapped is now reassigned the boolean value of true.
          * This means that the condition of our do...while loop will be met.
          * Therefore our do...while loop will continue to execute until this block statement no longer executes,
-         * and subsequently our variable named swapped is never reassignment.
+         * and subsequently our variable named swapped is never reassigned.
          * In other words the condition of our if statement dictating that arr[i] must be greater than arr[i + 1]
          * must evaluate to a falsy value for each element pair in our array, arr, in order to exit from our do...while loop.
          */
@@ -153,7 +153,7 @@ function bubbleSort(arr) {
       }
     }
     /**
-     * The condition on this do...while loop is that is must run at least once and until swapped is false.
+     * The condition of our do...while loop is that it must run at least once and until swapped is false.
      * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/do...while#Syntax
      */
   } while (swapped);
diff --git a/hello-world/README.md b/hello-world/README.md
new file mode 100644
index 0000000..962c72f
--- /dev/null
+++ b/hello-world/README.md
@@ -0,0 +1,3 @@
+# Hello World in JavaScript
+
+A set of scripts that output the message "Hello World". Such a program is very simple in most programming languages, and is often used to illustrate the basic syntax of a programming language. See https://en.wikipedia.org/wiki/%22Hello,_World!%22_program
diff --git a/hello-world/index.js b/hello-world/index.js
new file mode 100644
index 0000000..f93ad8a
--- /dev/null
+++ b/hello-world/index.js
@@ -0,0 +1,22 @@
+/**
+ * No need to "use strict"
+ * In this case even though we are not declaring this code as an ES6 module
+ * the following code contains no syntax that can be caught by strict mode.
+ * See https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Strict_mode
+ * See ./varDeclaration.js for an example that can benefit from strict mode.
+ */
+
+/**
+ * The Console object provides access to the browser's debugging console
+ * See https://developer.mozilla.org/en-US/docs/Web/API/console
+ * The Console object's methods include log()
+ * The Console method log() outputs a message to the console.
+ * The message is not limited to a single string.
+ * See https://developer.mozilla.org/en-US/docs/Web/API/Console/log
+ */
+console.log("Hello World");
+
+/**
+ * The easiest way to test this file is to run the following line in your console:
+ * node index.js
+ */
diff --git a/hello-world/varDeclaration.js b/hello-world/varDeclaration.js
new file mode 100644
index 0000000..ee30c26
--- /dev/null
+++ b/hello-world/varDeclaration.js
@@ -0,0 +1,36 @@
+/**
+ * "use strict" in this case
+ * We are not declaring this code as an ES6 module and the following code
+ * contains syntax that can be caught by strict mode.
+ * See ./index.js for an example that does not benefit from strict mode.
+ */
+"use strict";
+
+/**
+ * The code below will declare a global string named helloWorld,
+ * this is valid ES5 code, in ES6 we can also use let or const.
+ * Normally in ES6 this would be declared as a const.
+ * See ./es6.js for an example using const.
+ */
+var helloWorld = "Hello World";
+
+/**
+ * Strict mode will catch an undeclared variable i.e:
+ * helloWorld = "Hello World"
+ * The above commented line will throw an error in strict mode.
+ */
+
+/**
+ * The Console object provides access to the browser's debugging console
+ * See https://developer.mozilla.org/en-US/docs/Web/API/console
+ * The Console object's methods include log()
+ * The Console method log() outputs a message to the console.
+ * The message is not limited to a single string.
+ * See https://developer.mozilla.org/en-US/docs/Web/API/Console/log
+ */
+console.log(helloWorld);
+
+/**
+ * The easiest way to test this file is to run the following line in your console:
+ * node varDeclaration.js
+ */
diff --git a/hello-world/varExport.js b/hello-world/varExport.js
new file mode 100644
index 0000000..20de3d9
--- /dev/null
+++ b/hello-world/varExport.js
@@ -0,0 +1,35 @@
+/**
+ * Do not include "use strict"
+ * In this case we are declaring this code as an ES6 module,
+ * module code is always strict mode code.
+ * See http://www.ecma-international.org/ecma-262/6.0/#sec-strict-mode-code
+ * See ./varDeclaration.js for an example that is not in strict mode by default.
+ */
+
+/**
+ * The code below will declare and export a string constant named helloWorld,
+ * this is valid ES6 code, in ES5 we can only use var.
+ * See ./varDeclaration.js for an example using var.
+ */
+export const helloWorld = "Hello World";
+
+/**
+ * Strict mode will catch an undeclared variable i.e:
+ * helloWorld = "Hello World"
+ * The above commented line will throw an error in strict mode.
+ */
+
+/**
+ * The Console object provides access to the browser's debugging console
+ * See https://developer.mozilla.org/en-US/docs/Web/API/console
+ * The Console object's methods include log()
+ * The Console method log() outputs a message to the console.
+ * The message is not limited to a single string.
+ * See https://developer.mozilla.org/en-US/docs/Web/API/Console/log
+ */
+console.log(helloWorld);
+
+/**
+ * The easiest way to test this file is to run the following line in your console
+ * nodemon varDeclaration.js
+ */
diff --git a/hello-world/varImport.js b/hello-world/varImport.js
new file mode 100644
index 0000000..f91e1f1
--- /dev/null
+++ b/hello-world/varImport.js
@@ -0,0 +1,28 @@
+/**
+ * Do not include "use strict"
+ * In this case we are declaring this code as an ES6 module,
+ * module code is always strict mode code.
+ * See http://www.ecma-international.org/ecma-262/6.0/#sec-strict-mode-code
+ * See ./varDeclaration.js for an example that is not in strict mode by default.
+ */
+
+/**
+ * The code below will declare and import a string constant named helloWorld.
+ * See ./varExport.js
+ */
+import { helloWorld } from "./varExport";
+
+/**
+ * The Console object provides access to the browser's debugging console
+ * See https://developer.mozilla.org/en-US/docs/Web/API/console
+ * The Console object's methods include log()
+ * The Console method log() outputs a message to the console.
+ * The message is not limited to a single string.
+ * See https://developer.mozilla.org/en-US/docs/Web/API/Console/log
+ */
+console.log(helloWorld);
+
+/**
+ * The easiest way to test this file is to run the following line in your console:
+ * nodemon varDeclaration.js
+ */