Restructure JavaScript articles (freeCodeCamp#74)

* Clean up javascrip Array

* Add missing Array methods

* Organise and add missing Object methods

* Organise and add String methods

* Move certificate articles to 'certificates'

* Stub new articles

* Remove duplicates after rebasing

* Organise JSON articles

* Normalise articles so far

* Add Number, Error, Generator and Function articles

* Group standard object together

* Add ArrayBuffer, Atomics, Boolean, Math and Promise to stadard-objects

* Stub new articles

* Alphabetise preformatted list

* Fix Javascript formatting

* Add stats to _createNavData.js

* Small change to trigger netlify build

README.md

@@ -162,3 +162,4 @@ The Hemingway App will assign a “grade level” for your writing. You should a
 Also, there's a community of support from a whole team of contributors, whom you can bounce ideas off of and ask for input on your writing. Stay active in the [contributors chat room](https://gitter.im/freecodecamp/contributors) and ask lots of questions.
 
 With your help, we can create a comprehensive reference tool that will help millions of people who are learning to code for years to come.
+

seed/_createNavData.js

@@ -41,6 +41,7 @@ function listAllDirs(level, prevPages = []) {
     });
 }
 module.exports = function createNavData() {
+  const startTime = Date.now();
   listAllDirs(topLevel, [])
     .toArray()
     .subscribe(
@@ -54,7 +55,14 @@ module.exports = function createNavData() {
           JSON.stringify(navData, null, 2)
           )
           .then(() => {
-            console.log('\nnavData.json created\n');
+            const endTime = Date.now();
+            const pages = Object.keys(navData).length;
+            console.log(`
+navData created
+
+It took ${endTime - startTime}ms to create the nav data for ${pages} pages
+`
+            );
           })
           .catch(err => {
             console.error(err);

seed/utils/formatting.js

@@ -1,60 +1,141 @@
+/* eslint-disable camelcase */
 const preFormatted = {
+  arraybuffer: 'ArrayBuffer',
+  aws: 'AWS',
+  bytelength: 'byteLength',
+  charat: 'charAt',
+  charcodeat: 'charCodeAt',
+  codepointat: 'codePointAt',
+  columnnumber: 'columnNumber',
+  compareexchange: 'compareExchange',
+  copywithin: 'copyWithin',
   css: 'CSS',
   css3: 'CSS3',
+  defineproperties: 'defineProperties',
+  defineproperty: 'defineProperty',
+  deleteproperty: 'deleteProperty',
+  displayname: 'displayName',
+  dynamodb: 'DynamoDB',
+  e: 'E',
+  endswith: 'endsWith',
+  epsilon: 'EPSILON',
+  filename: 'fileName',
+  findindex: 'findIndex',
+  foreach: 'forEach',
+  fromcharcode: 'fromCharCode',
+  frompointcode: 'fromPointCode',
+  getdate: 'getDate',
+  getday: 'getDay',
+  getfullyear: 'getFullYear',
+  gethours: 'getHours',
+  getmilliseconds: 'getMilliseconds',
+  getminutes: 'getMinutes',
+  getmonth: 'getMonth',
+  getownpropertydescriptor: 'getOwnPropertyDescriptor',
+  getownpropertydescriptors: 'getOwnPropertyDescriptors',
+  getownpropertynames: 'getOwnPropertyNames',
+  getownpropertysymbols: 'getOwnPropertySymbols',
+  getprototypeof: 'getPrototypeOf',
+  getseconds: 'getSeconds',
+  gettime: 'getTime',
+  getomezoneoffset: 'getTimezoneOffset',
+  getutcdate: 'getUTCDate',
+  getutcday: 'getUTCDay',
+  getutcfullyear: 'getUTCFullYear',
+  getutchours: 'getUTCHours',
+  getutcmilliseconds: 'getUTCMilliseconds',
+  getutcminutes: 'getUTCMinutes',
+  getutcmonth: 'getUTCMonth',
+  getutcseconds: 'getUTCSeconds',
+  getyear: 'getYear',
+  hasownproperty: 'hasOwnProperty',
   html: 'HTML',
   html5: 'HTML5',
-  javascript: 'javaScript',
+  indexof: 'indexOf',
+  ignorecase: 'ignoreCase',
+  isarray: 'isArray',
+  isealed: 'isSealed',
+  isextensible: 'isExtensible',
+  isfinite: 'isFinite',
+  isfrozen: 'isFrozen',
+  isgenerator: 'isGenerator',
+  isinteger: 'isInteger',
+  islockfree: 'isLockFree',
+  isnan: 'isNaN',
+  issafeinteger: 'isSafeInteger',
+  isview: 'isView',
+  javascript: 'JavaScript',
   jquery: 'jQuery',
-  sql: 'SQL',
-  aws: 'AWS',
-  mongodb: 'MongoDB',
-  dynamodb: 'DynamoDB',
   json: 'JSON',
-  foreach: 'forEach',
-  indexof: 'indexOf',
-  copywithin: 'copyWithin',
-  findindex: 'findIndex',
   lastindexof: 'lastIndexOf',
-  reduceright: 'reduceRight',
-  tolocalstring: 'toLocalString',
-  tolowercase: 'toLowerCase',
-  touppercase: 'toUpperCase',
-  tosource: 'toSource',
-  tosrting: 'toString',
-  fromcharcode: 'fromCharCode',
-  frompointcode: 'fromPointCode',
-  charat: 'charAt',
-  charcodeat: 'charCodeAt',
-  codepointat: 'codePointAt',
-  endswith: 'endsWith',
+  linenumber: 'lineNumber',
+  ln2: 'LN2',
+  ln10: 'LN10',
   localcompare: 'localCompare',
+  log2e: 'LOG2E',
+  log10e: 'LOG10E',
+  max_safe_integer: 'MAX_SAFE_INTEGER',
+  max_value: 'MAX_VALUE',
+  min_safe_integer: 'MIN_SAFE_INTEGER',
+  min_value: 'MIN_VALUE',
+  mongodb: 'MongoDB',
+  nan: 'NaN',
+  negative_infinity: 'NEGATIVE_INFINITY',
   padend: 'padEnd',
   padstart: 'padStart',
+  parsefloat: 'parseFloat',
+  parseint: 'parseInt',
+  pi: 'PI',
+  positive_infinity: 'POSITIVE_INFINITY',
+  preventextentions: 'preventExtensions',
+  propertyisenumerable: 'propertyIsEnumerable',
+  reduceright: 'reduceRight',
+  regexp: 'RegExp',
+  setdate: 'setDate',
+  setfullyear: 'setFullYear',
+  sethours: 'setHours',
+  setmilliseconds: 'setMilliseconds',
+  setminutes: 'setMinutes',
+  setmonth: 'setMonth',
+  setprototypeof: 'setPrototypeOf',
+  setseconds: 'setSeconds',
+  settime: 'setTime',
+  setutcdate: 'setUTCDate',
+  setutcfullyear: 'setUTCFullYear',
+  setutchours: 'setUTCHours',
+  setutcmilliseconds: 'setUTCMilliseconds',
+  setutcminutes: 'setUTCMinutes',
+  setutcmonth: 'setUTCMonth',
+  setutcseconds: 'setUTCSeconds',
+  setyear: 'setYear',
+  sql: 'SQL',
+  sqrt1_2: 'SQRT1_2',
+  sqrt2: 'SQRT2',
   startswith: 'startsWith',
+  todatestring: 'toDateString',
+  toexponential: 'toExponential',
+  tofixed: 'toFixed',
+  toisostring: 'toISOString',
+  tojson: 'toJSON',
+  tolocaledatestring: 'toLocaleDateString',
   tolocalelowercase: 'toLocaleLowerCase',
+  tolocalestring: 'toLocaleString',
+  tolocaletimestring: 'toLocaleTimeString',
   tolocaleuppercase: 'toLocaleUpperCase',
+  tolowercase: 'toLowerCase',
+  toprecision: 'toPrecision',
+  tosource: 'toSource',
+  tostring: 'toString',
+  totimestring: 'toTimeString',
+  touppercase: 'toUpperCase',
+  toutcstring: 'toUTCString',
   trimleft: 'trimLeft',
   trimRight: 'trimRight',
   valueof: 'valueOf',
-  getownpropertydescriptor: 'getOwnPropertyDescriptor',
-  getownpropertydescriptors: 'getOwnPropertyDescriptors',
-  getownpropertynames: 'getOwnPropertyNames',
-  getownpropertysymbols: 'getOwnPropertySymbols',
-  preventextentions: 'preventExtensions',
-  defineproperties: 'defineProperties',
-  defineproperty: 'defineProperty',
-  getprototypeof: 'getPrototypeOf',
-  setprototypeof: 'setPrototypeOf',
-  isarray: 'isArray',
-  isextensible: 'isExtensible',
-  isfrozen: 'isFrozen',
-  isealed: 'isSealed',
   __definegetter__: '__defineGetter__',
   __definesetter__: '__defineSetter__',
-  hasownproperty: 'hasOwnProperty',
   __lookupgetter__: '__lookupGetter__',
-  __lookupsetter__: '__lookupSetter__',
-  propertyisenumerable: 'propertyIsEnumerable'
+  __lookupsetter__: '__lookupSetter__'
 };
 
 const stopWords = [

src/pages/articles/javascript/add-your-javascript-slot-machine-slots/index.md → src/pages/articles/certificates/add-your-javascript-slot-machine-slots/index.md

@@ -1,5 +1,5 @@
 ---
-title: Add Your javaScript Slot Machine Slots
+title: Add Your JavaScript Slot Machine Slots
 ---
 For this part we should notify if they same number is returned three times or return `null` otherwise.
 

src/pages/articles/javascript/bring-your-javascript-slot-machine-to-life/index.md → src/pages/articles/certificates/bring-your-javascript-slot-machine-to-life/index.md

@@ -1,5 +1,5 @@
 ---
-title: Bring Your javaScript Slot Machine to Life
+title: Bring Your JavaScript Slot Machine to Life
 ---
 Let's use the jQuery selector `$(".slot")` to select all of the slots.
 

src/pages/articles/javascript/add-new-properties-to-a-javascript-object/index.md

@@ -1,5 +1,5 @@
 ---
-title: Add New Properties to a javaScript Object
+title: Add New Properties to a JavaScript Object
 ---
 You can add new properties to existing JavaScript objects the same way you would modify them. Here is how:
 

src/pages/articles/javascript/add-two-numbers-with-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Add Two Numbers with javaScript
+title: Add Two Numbers with JavaScript
 ---
 JavaScript uses the `+` symbol for addition. It can also be used instead of `parseInt()` but that is beyond this.
 

src/pages/articles/javascript/advantages-and-disadvantages-of-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Advantages and Disadvantages of javaScript
+title: Advantages and Disadvantages of JavaScript
 ---
 Like all computer languages, JavaScript has certain advantages and disadvantages. Many of the pros and cons are related to being a client-side language.
 

src/pages/articles/javascript/arithmetic-operation-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Arithmetic Operation javaScript
+title: Arithmetic Operation JavaScript
 ---
 JavaScript provides the user with five arithmetic operators: `+`, `-`, `*`, `/` and `%`. The operators are for addition, subtraction, multiplication, division and remainder respectively.
 

src/pages/articles/javascript/build-javascript-objects/index.md

@@ -1,5 +1,5 @@
 ---
-title: Build javaScript Objects
+title: Build JavaScript Objects
 ---
 Objects are similar to arrays, except that instead of using indexes to access and modify their data, you access the data in objects through what are called properties.
 

src/pages/articles/javascript/code-linting-in-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Code Linting in javaScript
+title: Code Linting in JavaScript
 ---
 Linting is the process of running a program that analyzes your code for programmatic and stylistic errors. A linting tool, or a linter, marks or flags any potential errors in your code such as syntax errors or incorrectly spelled variable names. This can save time and help you write better code.
 

src/pages/articles/javascript/comment-your-javascript-code/index.md

@@ -1,5 +1,5 @@
 ---
-title: Comment Your javaScript Code
+title: Comment Your JavaScript Code
 ---
 Comments are a great way to leave notes to yourself and to other people who will later need to figure out what it does. Any code in it will be ignored.
 

src/pages/articles/javascript/construct-javascript-objects-with-functions/index.md

@@ -1,5 +1,5 @@
 ---
-title: Construct javaScript Objects with Functions
+title: Construct JavaScript Objects with Functions
 ---
 Using constructors it is easy to create new objects using a blueprint or constructor. The declaration syntax is a little different but still easy to remember.
 

src/pages/articles/javascript/create-a-javascript-slot-machine/index.md

@@ -1,5 +1,5 @@
 ---
-title: Create a javaScript Slot Machine
+title: Create a JavaScript Slot Machine
 ---
 For this we have to generate three random numbers using the formula they give us and not the general one. `Math.floor(Math.random() * (3 - 1 + 1)) + 1;`
 

src/pages/articles/javascript/create-decimal-numbers-with-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Create Decimal Numbers with javaScript
+title: Create Decimal Numbers with JavaScript
 ---
 JavaScript number variables can have decimals.
 

src/pages/articles/javascript/debugging-javascript-with-browser-devtools/index.md

@@ -1,5 +1,5 @@
 ---
-title: Debugging javaScript with Browser Devtools
+title: Debugging JavaScript with Browser Devtools
 ---
 As a developer you will often want to debug code. You might have already used `console.log` in some of the challenges, which is the simplest way to debug.
 

src/pages/articles/javascript/declare-javascript-objects-as-variables/index.md

@@ -1,5 +1,5 @@
 ---
-title: Declare javaScript Objects as Variables
+title: Declare JavaScript Objects as Variables
 ---
 This has a simple format. You declare your variable and have it equal to an object in the form `{ key: value}`
 

src/pages/articles/javascript/declare-javascript-variables/index.md

@@ -1,5 +1,5 @@
 ---
-title: Declare javaScript Variables
+title: Declare JavaScript Variables
 ---
 When we store data in a data structure, we call it a variable. JavaScript variables are written in `camel case`. An example of camel case is: `camelCase`.
 

src/pages/articles/javascript/decrement-a-number-with-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Decrement a Number with javaScript
+title: Decrement a Number with JavaScript
 ---
 You can easily decrement or decrease a variable by `1` with the `--` operator.
 

src/pages/articles/javascript/delete-properties-from-a-javascript-object/index.md

@@ -1,5 +1,5 @@
 ---
-title: Delete Properties from a javaScript Object
+title: Delete Properties from a JavaScript Object
 ---
 We can also delete properties from objects like this:
 

src/pages/articles/javascript/divide-one-number-by-another-with-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Divide One Number by Another with javaScript
+title: Divide One Number by Another with JavaScript
 ---
 JavaScript uses use the `/` symbol for division.
 

src/pages/articles/javascript/finding-a-remainder-in-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Finding a Remainder in javaScript
+title: Finding a Remainder in JavaScript
 ---
 The _remainder operator_ `%` gives the remainder of the division of two numbers.
 

src/pages/articles/javascript/generate-random-fractions-with-javascript/index.md

@@ -1,4 +1,4 @@
 ---
-title: Generate Random Fractions with javaScript
+title: Generate Random Fractions with JavaScript
 ---
 JavaScript has a `Math.random()` function that generates a random decimal number.

src/pages/articles/javascript/generate-random-whole-numbers-with-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Generate Random Whole Numbers with javaScript
+title: Generate Random Whole Numbers with JavaScript
 ---
 It's great that we can create random decimal numbers, but it's even more useful if we lot more useful to generate a random whole number.
 

src/pages/articles/javascript/get-current-url-in-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Get Current Url in javaScript
+title: Get Current Url in JavaScript
 ---
 To get the **current URL**:
 

src/pages/articles/javascript/give-your-javascript-slot-machine-some-stylish-images/index.md

@@ -1,5 +1,5 @@
 ---
-title: Give Your javaScript Slot Machine Some Stylish Images
+title: Give Your JavaScript Slot Machine Some Stylish Images
 ---
 We've already set up the images for you in an array called images. We can use different indexes to grab each of these.
 

src/pages/articles/javascript/how-to-create-a-dropdown-menu-with-css-and-javascript/index.md

@@ -1,7 +1,7 @@
 ---
-title: How to Create a Dropdown Menu with CSS and javaScript
+title: How to Create a Dropdown Menu with CSS and JavaScript
 ---
-## How to Create a Dropdown Menu with CSS and javaScript
+## How to Create a Dropdown Menu with CSS and JavaScript
 
 This is a stub. [Help our community expand it](https://github.com/freecodecamp/guides/tree/master/src/pages/articles/javascript/how-to-create-a-dropdown-menu-with-css-and-javascript/index.md).
 

src/pages/articles/javascript/increment-a-number-with-javascript/index.md

@@ -1,5 +1,5 @@
 ---
-title: Increment a Number with javaScript
+title: Increment a Number with JavaScript
 ---
 You can easily increment or add `1` to a variable with the `++` operator.
 

src/pages/articles/javascript/index.md

@@ -1,7 +1,7 @@
 ---
-title: javaScript
+title: JavaScript
 ---
-## javaScript
+## JavaScript
 
 This is a stub. [Help our community expand it](https://github.com/freecodecamp/guides/tree/master/src/pages/articles/javascript/index.md).