diff --git a/README.md b/README.md
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+++ b/README.md
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 # javascript-references
-Material to reference when working with JavaScript 
+
+Material to reference when working with JavaScript
diff --git a/quicksort/README.md b/quicksort/README.md
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+### Quicksort in JavaScript
+
+An efficient sorting algorithm, serving as a systematic method for placing the elements of a random access file or an array in order. See https://en.wikipedia.org/wiki/Quicksort
diff --git a/quicksort/index.js b/quicksort/index.js
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+/**
+ * This is an implementation of the Quicksort algorithm written in JavaScript.
+ * See https://en.wikipedia.org/wiki/Quicksort#Algorithm
+ */
+
+/**
+ * The following code contains syntax that, if written incorrectly, would be caught by strict mode.
+ * See https://github.com/floatsoft/javascript-references/blob/hello-world/varDeclaration.js#L1-L7
+ */
+"use strict";
+
+/**
+ * We declare a function named quicksort with a single parameter; arr.
+ * See https://github.com/floatsoft/javascript-references/blob/bubble-sort/bubble-sort/index.js#L13-L19
+ */
+function quicksort(arr) {
+  /**
+   * We return our sorted array, arr.
+   * See https://github.com/floatsoft/javascript-references/blob/bubble-sort/bubble-sort/index.js#L171-L176
+   */
+  return arr;
+}
+
+/**
+ * We declare an array of unsorted numbers using the array literal method,
+ * we name our new variable unsortedNumbersList.
+ * See https://github.com/floatsoft/javascript-references/blob/bubble-sort/bubble-sort/index.js#L179-L193
+ */
+var unsortedNumbersList = [8, 5, 6, 9, 3, 1, 4, 2, 7, 10];
+
+/**
+ * We call our quicksort function, passing our unsortedNumbersList as a single argument.
+ * See https://github.com/floatsoft/javascript-references/blob/bubble-sort/bubble-sort/index.js#L195-L201
+ */
+quicksort(unsortedNumbersList);