change file structure and edit readme

README.md

@@ -6,14 +6,12 @@
 
 > ❤️ **If you like this repository, [you can click here to tweet it and make it spread](https://ctt.ec/PHba4).**
 
-
 ## 🤔 Why Awesome-Cheatsheets?
 
-I always make a cheatsheet when I want to improve my skills on a programming language, a framework or a development tool. [I started doing these kind of things a long time ago on Gist](https://gist.github.com/LeCoupa) To better keep track of the history and to let people contribute to them, I reorganized everything into this  single repository. Most of the content is coming from official documentations and some books I have read.
+I always make a cheatsheet when I want to improve my skills on a programming language, a framework or a development tool. [I started doing these kind of things a long time ago on Gist](https://gist.github.com/LeCoupa) To better keep track of the history and to let people contribute to them, I reorganized everything into this single repository. Most of the content is coming from official documentations and some books I have read.
 
 Feel free to browse each cheatsheet to learn new things and to keep them at hand when you forgot about one command. They have been designed to provide a quick way to assess your knowledge and to save you time.
 
-
 ## 📚 Table of Contents
 
 ### 📃 Languages
@@ -31,10 +29,13 @@ Feel free to browse each cheatsheet to learn new things and to keep them at hand
 
 #### Functional
 
-* [JavaScript](languages/javascript.js)
+<details>
+<summary>JavaScript</summary>
+* [Arrays](languages/javascript/arrays.js)
+* [Objects](languages/javascript/objects.js)
+  </details>
 </details>
 
-
 ### 📦 Backend
 
 <details>
@@ -49,8 +50,7 @@ Feel free to browse each cheatsheet to learn new things and to keep them at hand
 * [Feathers.js](backend/feathers.js)
 * [Moleculer](backend/moleculer.js)
 * [Node.js](backend/node.js)
-</details>
-
+  </details>
 
 ### 🌐 Frontend
 
@@ -65,8 +65,7 @@ Feel free to browse each cheatsheet to learn new things and to keep them at hand
 
 * [React.js](frontend/react.js)
 * [Vue.js](frontend/vue.js)
-</details>
-
+  </details>
 
 ### 🗃️ Databases
 
@@ -76,8 +75,7 @@ Feel free to browse each cheatsheet to learn new things and to keep them at hand
 #### NoSQL
 
 * [Redis](databases/redis.sh)
-</details>
-
+  </details>
 
 ### 🔧 Tools
 
@@ -95,14 +93,12 @@ Feel free to browse each cheatsheet to learn new things and to keep them at hand
 * [Kubernetes](tools/kubernetes.sh)
 * [Nanobox Boxfile](tools/nanobox_boxfile.yml)
 * [Nanobox CLI](tools/nanobox_cli.sh)
-</details>
-
+  </details>
 
 ## 🙌🏼 How to Contribute?
 
 You are more than welcome to contribute and build your own cheatsheet for your favorite programming language, framework or development tool. Just submit changes via pull request and I will review them before merging.
 
-
 ## 🙏🏻 Contribution
 
 <table>
@@ -119,6 +115,9 @@ You are more than welcome to contribute and build your own cheatsheet for your f
     <td align="center">
       <a href="https://learnk8s.io/" target="_blank"><img src="https://pbs.twimg.com/profile_images/925127335573114880/9yCkEIe3_400x400.jpg" height="64" /></a>
     </td>
+    <td align="center">
+      <a href="https://www.voxygen.com/" target="_blank"><img src="https://www.voxygen.com/images/logo-wide.png" height="64" /></a>
+    </td>
   </tr>
 </table>
 

languages/javascript/objects.js

@@ -0,0 +1,52 @@
+/* *******************************************************************************************
+ * GLOBAL OBJECTS > ARRAY
+ * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array
+ * ******************************************************************************************* */
+
+
+// Global object: properties
+Array.length                                         // Reflects the number of elements in an array.
+Array.prototype                                      // Represents the prototype for the Array constructor and allows to add new properties and methods to all Array objects.
+
+// Global object: methods
+Array.from(arrayLike[, mapFn[, thisArg]])            // Creates a new Array instance from an array-like or iterable object.
+Array.isArray(obj)                                   // Returns true if a variable is an array, if not false.
+Array.of(element0[, element1[, ...[, elementN]]])    // Creates a new Array instance with a variable number of arguments, regardless of number or type of the arguments.
+
+// Instance: properties
+arr.length                                           // Reflects the number of elements in an array.
+
+// Instance: mutator methods
+arr.copyWithin(target, start, end)                   // Copies a sequence of array elements within the array.
+arr.fill(value, start, end)                          // Fills all the elements of an array from a start index to an end index with a static value.
+arr.pop()                                            // Removes the last element from an array and returns that element.
+arr.push([element1[, ...[, elementN]]])              // Adds one or more elements to the end of an array and returns the new length of the array.
+arr.reverse()                                        // Reverses the order of the elements of an array in place — the first becomes the last, and the last becomes the first.
+arr.shift()                                          // Removes the first element from an array and returns that element.
+arr.sort()                                           // Sorts the elements of an array in place and returns the array.
+array.splice(start, deleteCount, item1, item2, ...)  // Adds and/or removes elements from an array.
+arr.unshift([element1[, ...[, elementN]]])           // Adds one or more elements to the front of an array and returns the new length of the array.
+
+// Instance: accessor methods
+arr.concat(value1[, value2[, ...[, valueN]]])        // Returns a new array comprised of this array joined with other array(s) and/or value(s).
+arr.includes(searchElement, fromIndex)               // Determines whether an array contains a certain element, returning true or false as appropriate.
+arr.indexOf(searchElement[, fromIndex])              // Returns the first (least) index of an element within the array equal to the specified value, or -1 if none is found.
+arr.join(separator)                                  // Joins all elements of an array into a string.
+arr.lastIndexOf(searchElement, fromIndex)            // Returns the last (greatest) index of an element within the array equal to the specified value, or -1 if none is found.
+arr.slice(begin, end)                                // Extracts a section of an array and returns a new array.
+arr.toString()                                       // Returns a string representing the array and its elements. Overrides the Object.prototype.toString() method.
+arr.toLocaleString(locales, options)                 // Returns a localized string representing the array and its elements. Overrides the Object.prototype.toLocaleString() method.
+
+// Instance: iteration methods
+arr.entries()                                        // Returns a new Array Iterator object that contains the key/value pairs for each index in the array.
+arr.every(callback[, thisArg])                       // Returns true if every element in this array satisfies the provided testing function.
+arr.filter(callback[, thisArg])                      // Creates a new array with all of the elements of this array for which the provided filtering function returns true.
+arr.find(callback[, thisArg])                        // Returns the found value in the array, if an element in the array satisfies the provided testing function or undefined if not found.
+arr.findIndex(callback[, thisArg])                   // Returns the found index in the array, if an element in the array satisfies the provided testing function or -1 if not found.
+arr.forEach(callback[, thisArg])                     // Calls a function for each element in the array.
+arr.keys()                                           // Returns a new Array Iterator that contains the keys for each index in the array.
+arr.map(callback[, initialValue])                    // Creates a new array with the results of calling a provided function on every element in this array.
+arr.reduce(callback[, initialValue])                 // Apply a function against an accumulator and each value of the array (from left-to-right) as to reduce it to a single value.
+arr.reduceRight(callback[, initialValue])            // Apply a function against an accumulator and each value of the array (from right-to-left) as to reduce it to a single value.
+arr.some(callback[, initialValue])                   // Returns true if at least one element in this array satisfies the provided testing function.
+arr.values()                                         // Returns a new Array Iterator object that contains the values for each index in the array.